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Pálsson ÞS, Gaardbo M, Mikkelsen C, Hirata RP. Assessing standing balance with MOTI: a validation study. BIOMED ENG-BIOMED TE 2024; 69:241-248. [PMID: 38041425 DOI: 10.1515/bmt-2023-0408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 11/22/2023] [Indexed: 12/03/2023]
Abstract
OBJECTIVES This study aimed to determine the validity and reliability of a new device called MOTI for measuring balance by comparing its performance that with of the gold-standard force platform. METHODS The study involved collecting data from both devices in dual- and single-leg standing positions with eyes open and closed and using statistical measures to compare their performance. RESULTS The results showed that MOTI can accurately measure balance during dual-leg standing tasks but has poor to moderate performance during single-leg standing tasks. However, it could detect small changes in postural sway caused by a reduced base of support and/or visual feedback. The study also found that the test-retest reliability was poor to moderate for both devices. CONCLUSIONS These findings suggest that MOTI has potential as a reliable tool for measuring balance during certain tasks, but further research is needed to improve its performance during single-leg standing. This study provides valuable insights into the validity and reliability of MOTI for measuring balance and highlights the need for further investigation.
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Affiliation(s)
- Þorvaldur Skúli Pálsson
- Department of Physical Therapy and Occupational Therapy, Aalborg University Hospital, Aalborg, Denmark
| | - Malik Gaardbo
- The Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Gistrup, Denmark
| | - Christian Mikkelsen
- The Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Gistrup, Denmark
| | - Rogerio Pessoto Hirata
- The Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Gistrup, Denmark
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Rattanakrong N, Siriphorn A, Boonyong S. The alteration of static and dynamic postural stability among women with breast cancer during taxane-based chemotherapy: a descriptive study. Physiother Theory Pract 2024; 40:1172-1180. [PMID: 36305704 DOI: 10.1080/09593985.2022.2139654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 10/08/2022] [Accepted: 10/08/2022] [Indexed: 10/31/2022]
Abstract
INTRODUCTION Women with breast cancer who underwent taxane-based chemotherapy demonstrate diminished postural stability. However, the data concerning dynamic postural stability among women with breast cancer during taxane-based chemotherapy remains insufficient. PURPOSE To investigate postural stability among women with breast cancer during taxane-based chemotherapy. METHODS Fifteen women with breast cancer participated in this study. Postural stabilities were assessed at five intervals during the course of chemotherapy treatment. Static postural stability was measured during single leg with eyes open (SEO) and eyes closed (SEC) conditions, while dynamic postural stability was measured during performance of the limit of stability test (LOS). Postural stability was described using 95% confidence ellipse area (EA), center of pressure (COP) path length (PL), and COP average velocity (AV). RESULTS For static postural stability assessment, SEO condition was found to have significant increases in EA, PL, and AV (p = .001, p < .001, and p = .02, respectively). For dynamic postural stability assessment, a significant difference in EA was observed in the forward, backward, right, and left directions (p = .02, p = .02, p < .001, and p = .01, respectively). In addition, a significant difference in PL was found while performing in a backward direction (p = .02). CONCLUSIONS The findings showed that women with breast cancer may have experienced decreased static and dynamic postural stability.
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Affiliation(s)
- Nida Rattanakrong
- Human Movement Performance Enhancement Research Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
- Department of Rehabilitation Medicine, Physical Therapy Unit, Bangkok, Thailand
| | - Akkradate Siriphorn
- Human Movement Performance Enhancement Research Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Sujitra Boonyong
- Human Movement Performance Enhancement Research Unit, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
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Ucurum SG, Kirmizi M, Umay Altas E, Ozer Kaya D. Postural stability and its relation to knee flexor/extensor strength ratio in women with mild to moderate unilateral knee osteoarthritis: a case-control study. Somatosens Mot Res 2024; 41:69-76. [PMID: 36740748 DOI: 10.1080/08990220.2023.2175809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 01/30/2023] [Indexed: 02/07/2023]
Abstract
PURPOSE/AIM Knee muscles strength is an important factor influencing postural stability in patients with knee osteoarthritis (KOA). However, there is no evidence regarding the relationship between the knee flexor/extensor strength ratio, which is suggested to be a good indicator of knee stability, and postural stability. We aimed to investigate postural stability and its relation to knee flexor and extensor strength and strength symmetry in women with KOA. MATERIALS AND METHODS Thirty-five women with unilateral KOA and thirty-five asymptomatic women were assessed with the Prokin system to collect the following parameters during quiet standing with eyes-open and eyes-closed: ellipse area, perimeter, forward-backward standard deviation, mediolateral standard deviation, the average centre of pressure displacement on the x- and y-axises (COPX and COPY), and the limit of stability (LoS) score. Higher scores mean better balance for LoS and poorer balance for other parameters. Knee flexor and extensor strength were assessed bilaterally with the Lafayette hand-held dynamometer. RESULTS The COPX during standing with eyes-closed was higher in women with KOA than controls and the LoS score was lower (p < 0.05, Cohens'd = 0.72 and 0.65). Postural stability was correlated with knee muscles strength and the flexor/extensor strength ratios in both groups (r = between 0.395 and 0.456 for LoS, r = between -0.335 and -0.639 for the others, p < 0.05). CONCLUSIONS Women with KOA had poorer postural stability in the mediolateral direction during standing with eyes-closed and a worse LoS score than controls. Postural stability was related to knee flexor and extensor strength and the flexor/extensor strength ratio in women.
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Affiliation(s)
- Sevtap Gunay Ucurum
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Katip Celebi University, Izmir, Turkey
| | - Muge Kirmizi
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Katip Celebi University, Izmir, Turkey
| | - Elif Umay Altas
- Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Bakircay University, Izmir, Turkey
| | - Derya Ozer Kaya
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Katip Celebi University, Izmir, Turkey
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Michaud L, Laniel F, Lajoie Y. Increasing Visual Biofeedback Scale Changes Postural Control Complexity. Appl Psychophysiol Biofeedback 2024; 49:291-299. [PMID: 38244110 DOI: 10.1007/s10484-023-09619-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2023] [Indexed: 01/22/2024]
Abstract
Visual biofeedback (vFB) during quiet stance has been shown to improve postural control. While this improvement has been quantified by a reduction in the center of pressure (COP) sway, the effect on COP complexity remains unexplored. As such, 20 young adults (12 females; aged 23.63 ± 3.17 years) were asked to remain in a static upright posture under different visual biofeedback magnitude (no feedback [NoFB], magnified by 1 [vFB1], magnified by 5 [vBF5] and magnified by 10 [vBF10]). In addition to confirming, through traditional COP variables (i.e. standard deviation, mean velocity, sway area), that vFB scaling improved postural control, results also suggested changes in COP complexity. Specifically, sample entropy and wavelet analysis showed that increasing the vFB scale from 1:1 to 1:5 and 1:10 led to a more irregular COP and a shift toward higher frequency. Together, and particularly from a complexity standpoint, these findings provided additional understandings of how vFB and vFB scaling improved postural control.
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Affiliation(s)
- Lucas Michaud
- School of Human Kinetics, University of Ottawa, 125 University St, Ottawa, On, K1N6N5, Canada
| | - Fanie Laniel
- School of Human Kinetics, University of Ottawa, 125 University St, Ottawa, On, K1N6N5, Canada
| | - Yves Lajoie
- School of Human Kinetics, University of Ottawa, 125 University St, Ottawa, On, K1N6N5, Canada.
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Gao J, Song W, Zhong Y, Huang D, Wang J, Zhang A, Ke X. Children with developmental coordination disorders: a review of approaches to assessment and intervention. Front Neurol 2024; 15:1359955. [PMID: 38846037 PMCID: PMC11153681 DOI: 10.3389/fneur.2024.1359955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 05/03/2024] [Indexed: 06/09/2024] Open
Abstract
Developmental Coordination Disorder (DCD) is a neurodevelopmental disorder characterized by deficits in motor skills, with gross and fine motor dysfunction being the main symptom. This condition greatly impairs children's daily life, learning, and social interaction. Symptoms typically appear during preschool or school age, and if left untreated, they can persist into adulthood. Thus, early assessment and intervention are crucial to improve the prognosis. This study aims to review the existing literature on DCD, providing a comprehensive overview of the assessment for children with DCD in terms of body functions and structures, activities and participation, and environmental factors within the framework of the International Classification of Functioning, Disability, and Health - Children and Youth (ICF-CY). Additionally, specific rehabilitation interventions will be described, offering valuable insights for the clinical assessment and intervention of children with DCD.
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Affiliation(s)
- Jiaxin Gao
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wei Song
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yue Zhong
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Dunbing Huang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiaqi Wang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Anren Zhang
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiaohua Ke
- Department of Rehabilitation Medicine, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
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Jouira G, Alexe DI, Alexe CI, Rebai H, Cucui AI, Vulpe AM, Cucui GG, Sahli S. Effect of Verbal Encouragement on Postural Balance in Individuals with Intellectual Disabilities. Healthcare (Basel) 2024; 12:995. [PMID: 38786406 PMCID: PMC11121353 DOI: 10.3390/healthcare12100995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/30/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024] Open
Abstract
This study investigated the effect of verbal encouragement (VE) on static and dynamic balance in individuals with intellectual disabilities (IDs). A total of 13 mild IDs and 12 moderate IDs participants underwent static balance tests (bipedal stance on firm surface, under open eyes (OEs) and closed eyes (CEs), and foam surface, unipedal stance on firm surface) and dynamic balance assessments (Y Balance Test (YBT) and Expanded Timed Up-and-Go Test (ETUGT)) under VE and no VE (NO/VE) conditions. VE significantly reduced center of pressure mean velocity (CoPVm) values for mild IDs in firm bipedal CEs conditions. The mild IDs group exhibited improved YBT scores and enhanced ETUGT performances for both groups under VE. Incorporating VE as a motivational strategy in balance training interventions can positively impact static and dynamic balance in individuals with mild IDs, especially in challenging conditions like unipedal stances on firm surfaces.
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Affiliation(s)
- Ghada Jouira
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3029, Tunisia; (G.J.); (S.S.)
| | - Dan Iulian Alexe
- Department of Physical and Occupational Therapy, “Vasile Alecsandri” University of Bacău, 600115 Bacău, Romania
| | - Cristina Ioana Alexe
- Department of Physical Education and Sports Performance, “Vasile Alecsandri” University of Bacău, 600115 Bacău, Romania; (C.I.A.); (A.-M.V.)
| | - Haithem Rebai
- Tunisian Research Laboratory ‘Sports Performance Optimization’ (LR09SEP01), National Center of Medicine and Science in Sports (CNMSS), Tunis 1002, Tunisia;
| | - Alina Ionela Cucui
- Department of Physical Education and Sports, “Valahia” University of Târgoviște, 130004 Târgoviște, Romania;
| | - Ana-Maria Vulpe
- Department of Physical Education and Sports Performance, “Vasile Alecsandri” University of Bacău, 600115 Bacău, Romania; (C.I.A.); (A.-M.V.)
| | - Gheorghe Gabriel Cucui
- Department of Physical Education and Sports, “Valahia” University of Târgoviște, 130004 Târgoviște, Romania;
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3029, Tunisia; (G.J.); (S.S.)
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Jouira G, Alexe CI, Zinelabidine K, Rebai H, Mocanu GD, Cojocaru AM, Dragomir L, Čaušević D, Sahli S. The Impact of Aerobic Dance Intervention on Postural Balance in Children: A Randomized Controlled Trial. CHILDREN (BASEL, SWITZERLAND) 2024; 11:573. [PMID: 38790568 PMCID: PMC11120053 DOI: 10.3390/children11050573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/25/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024]
Abstract
This study aimed to investigate the impact of an 8-week aerobic dance intervention on postural balance in children. Forty-one children, aged 9 to 11, were randomly assigned to either an aerobic dance group (ADG) or a control group (CG) from a primary school. Postural balance was assessed using center of pressure (CoP) excursions before and after the 8-week intervention period. Evaluations were conducted on both firm and foam surfaces in bipedal and unipedal stances under open-eyes (OE) and closed-eyes (CE) conditions, as well as on both medial-lateral (ML) and anterior-posterior (AP) surfaces in a bipedal stance under OE conditions. The ADG exhibited significantly decreased CoPVm values during firm bipedal CE, unipedal OE, foam bipedal OE and CE, and foam unipedal OE (p < 0.005). This study suggests that aerobic dance intervention improved postural balance in children, showcasing adaptability and improved stability under various conditions.
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Affiliation(s)
- Ghada Jouira
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3029, Tunisia; (G.J.); (K.Z.); (S.S.)
| | - Cristina Ioana Alexe
- Department of Physical Education and Sports Performance, “Vasile Alecsandri” University of Bacău, 600115 Bacău, Romania
| | - Khawla Zinelabidine
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3029, Tunisia; (G.J.); (K.Z.); (S.S.)
| | - Haithem Rebai
- Tunisian Research Laboratory ‘Sports Performance Optimization’ (LR09SEP01), National Center of Medicine and Science in Sports (CNMSS), Tunis 1002, Tunisia;
| | - George Danuț Mocanu
- Individual Sports and Physical Therapy Department, “Dunărea de Jos” University of Galati, 800008 Galați, Romania
| | - Adin Marian Cojocaru
- Faculty of Physical Education and Sport, Spiru Haret University, 041905 Bucharest, Romania;
| | - Luciana Dragomir
- Doctoral School of Accounting, Bucharest University of Economic Studies, 010374 Bucharest, Romania;
| | - Denis Čaušević
- Faculty of Sport and Physical Education, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3029, Tunisia; (G.J.); (K.Z.); (S.S.)
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Jouira G, Borji R, Waer FB, Srihi S, Rebai H, Sahli S. Impact of neuromuscular training including balance, strength and plyometric exercises on static and dynamic balance in high-level male runners with mild intellectual disability. JOURNAL OF APPLIED RESEARCH IN INTELLECTUAL DISABILITIES 2024; 37:e13211. [PMID: 38382556 DOI: 10.1111/jar.13211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 12/13/2023] [Accepted: 01/24/2024] [Indexed: 02/23/2024]
Abstract
BACKGROUND This study aims to investigate the impact of neuromuscular training (NMT) on static and dynamic postural balance (PB) among high-level male runners with intellectual disability. METHOD Twenty-seven runners were randomly assigned to a NMT group and a control group who maintained their conventional training. Static and dynamic PB were assessed using the centre of pressure (CoP) excursions (in bipedal and unipedal stances under open eyes (OE) and closed eyes (CE) conditions) and the star excursion balance test (SEBT), respectively, at pre-training and post-training. RESULTS The NMT group showed significantly (p < 0.05) decreased CoP values and increased SEBT scores at post-training compared to pre-training. The switch from OE to CE did not affect static PB in the bipedal stance, only in the NMT group. CONCLUSIONS The NMT was effective in improving static and dynamic PB in runners with intellectual disability. The NMT could reduce visual dependency.
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Affiliation(s)
- Ghada Jouira
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Rihab Borji
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Fatma Ben Waer
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Selim Srihi
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Haithem Rebai
- Tunisian Research Laboratory 'Sports Performance Optimization (LR09SEP01), National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
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Benistan K, Foy M, Gillas F, Genet F, Kane M, Barbot F, Vaugier I, Bonnyaud C, Gader N. Effects of compression garments on balance in hypermobile Ehlers-Danlos syndrome: a randomized controlled trial. Disabil Rehabil 2024; 46:1841-1850. [PMID: 37194618 DOI: 10.1080/09638288.2023.2209742] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 04/28/2023] [Indexed: 05/18/2023]
Abstract
PURPOSE To evaluate the immediate and 4-week effects of compression garments (CG) on balance using a force platform during 8 different visual, static, and dynamic conditions in hypermobile Ehlers-Danlos Syndrome (hEDS) patients. METHODS Thirty-six participants were randomly assigned to a group: physiotherapy alone (PT, n = 19) or physiotherapy and daily CG wearing for 4 weeks (PT + CG, n = 17). Both attended 12 physiotherapy sessions (strengthening, proprioception, and balance exercises) for 4 weeks. Primary outcome: sway velocity of the centre of pressure (COP) measured before, immediately with the CG, and at 4 weeks. Secondary outcomes: ellipse area, Romberg quotient, and pain. RESULTS Sway velocity in dynamic conditions decreased immediately with the CG. After 4 weeks of intervention, sway velocity (95% CI 4.36-39.23, effect size 0.93) and area (95% CI 146-3274, effect size 0.45) on the laterally oscillating platform with eyes-closed improved more in the PT + CG group than the PT group. Romberg quotient on foam cushion improved more in the PT + CG than the PT group. Pain decreased in both groups after 4 weeks with no between-group difference. CONCLUSION CG combined with physiotherapy improved dynamic balance measured with COP variables significantly more than physiotherapy alone in people with hEDS. TRIAL REGISTRATION NCT03359135.
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Affiliation(s)
- Karelle Benistan
- AP-HP, Hôpital Raymond Poincaré, Centre de référence des syndromes d'Ehlers-Danlos non vasculaires, Université Paris Saclay, Garches, France
- UMR1179 INSERM, UFR Simone Veil-Santé, Versailles, France
| | - Malika Foy
- AP-HP, Hôpital Raymond Poincaré, Centre de référence des syndromes d'Ehlers-Danlos non vasculaires, Université Paris Saclay, Garches, France
| | - Fabrice Gillas
- AP-HP, Hôpital Raymond Poincaré, Centre de référence des syndromes d'Ehlers-Danlos non vasculaires, Université Paris Saclay, Garches, France
| | - François Genet
- UMR1179 INSERM, UFR Simone Veil-Santé, Versailles, France
- AP-HP, Hôpital Raymond-Poincaré, Service de médecine physique et de réadaptation, Université Paris Saclay, Garches, France
| | - Maimouna Kane
- AP-HP, Hôpital Raymond Poincaré, Centre d'investigation Clinique, Garches, France
| | - Frédéric Barbot
- AP-HP, Hôpital Raymond Poincaré, Centre d'investigation Clinique, Garches, France
| | - Isabelle Vaugier
- AP-HP, Hôpital Raymond Poincaré, Centre d'investigation Clinique, Garches, France
| | - Céline Bonnyaud
- AP-HP, Hôpital Raymond Poincaré, Laboratoire d'analyse du mouvement, Université Paris-Saclay, Garches
- Université de Versailles Saint Quentin en Yvelines, ERPHAN, Versailles, France
| | - Nadra Gader
- AP-HP, Hôpital Raymond Poincaré, Centre de référence des syndromes d'Ehlers-Danlos non vasculaires, Université Paris Saclay, Garches, France
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Şirvan Tongar S, Yazici-Mutlu Ç. How virtual reality is impacting balance: An examination of postural stability. J Bodyw Mov Ther 2024; 38:81-85. [PMID: 38763620 DOI: 10.1016/j.jbmt.2024.01.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 01/21/2024] [Accepted: 01/25/2024] [Indexed: 05/21/2024]
Abstract
BACKGROUND The interest in virtual reality (VR) applications has been on the rise in recent years. However, the impact of VR on postural stability remains unclear. RESEARCH QUESTION The study has two primary objectives: first, to compare postural stability in a 3D-immersed virtual reality environment (VE) and a real environment (RE), and second, to investigate the effect of positive and negative visual feedback, which are subconditions of VE on postural stability. METHODS The observational study recruited 20 healthy adults (10 male, 10 female, 22.8 ± 1.8 years) who underwent postural stability assessments in both RE and VE. In VE, participants received visual stimuli in three different ways: without visual feedback, with positive and negative visual feedback that they would consider themselves to be directed towards postural stability outcomes. The RE included two conditions: eyes open (EO) and eyes closed (EC). Postural stability was evaluated with sway velocity, sway area, and perimeter variables obtained from a force platform. RESULTS All postural stability variables were significantly lower in the RE than in the VE (p < 0.05). There was no significant difference between the VE and EC in terms of sway velocity and sway area (p > 0.05). The visual feedback in the VE did not affect participants' postural stability (p > 0.05). VE may cause an increase in postural sway variables compared to RE and postural requirements may be higher in VE compared to RE. SIGNIFICANCE This is the first and only study examining the effect of different visual feedback on postural stability in VE.
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Affiliation(s)
- Sahra Şirvan Tongar
- Department of Physiotherapy and Rehabilitation, Yeditepe University, Istanbul, Atasehir, Turkey.
| | - Çiğdem Yazici-Mutlu
- Department of Physiotherapy and Rehabilitation, Yeditepe University, Istanbul, Atasehir, Turkey
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Aghapour M, Affenzeller N, Lutonsky C, Peham C, Tichy A, Bockstahler B. A validation study to analyze the reliability of center of pressure data in static posturography in dogs. Front Vet Sci 2024; 11:1353824. [PMID: 38560629 PMCID: PMC10979645 DOI: 10.3389/fvets.2024.1353824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Center of pressure (COP) parameters are frequently assessed to analyze movement disorders in humans and animals. Methodological discrepancies are a major concern when evaluating conflicting study results. This study aimed to assess the inter-observer reliability and test-retest reliability of body COP parameters including mediolateral and craniocaudal sway, total length, average speed and support surface in healthy dogs during quiet standing on a pressure plate. Additionally, it sought to determine the minimum number of trials and the shortest duration necessary for accurate COP assessment. Materials and methods Twelve clinically healthy dogs underwent three repeated trials, which were analyzed by three independent observers to evaluate inter-observer reliability. Test-retest reliability was assessed across the three trials per dog, each lasting 20 seconds (s). Selected 20 s measurements were analyzed in six different ways: 1 × 20 s, 1 × 15 s, 2 × 10 s, 4 × 5 s, 10 × 2 s, and 20 × 1 s. Results Results demonstrated excellent inter-observer reliability (ICC ≥ 0.93) for all COP parameters. However, only 5 s, 10 s, and 15 s measurements achieved the reliability threshold (ICC ≥ 0.60) for all evaluated parameters. Discussion The shortest repeatable durations were obtained from either two 5 s measurements or a single 10 s measurement. Most importantly, statistically significant differences were observed between the different measurement durations, which underlines the need to standardize measurement times in COP analysis. The results of this study aid scientists in implementing standardized methods, thereby easing comparisons across studies and enhancing the reliability and validity of research findings in veterinary medicine.
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Affiliation(s)
- Masoud Aghapour
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | - Nadja Affenzeller
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
- Clinical Unit of Internal Medicine Small Animals, Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | - Christiane Lutonsky
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | - Christian Peham
- Movement Science Group, Equine Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | - Alexander Tichy
- Platform Bioinformatics and Biostatistics, Department for Biomedical Services, University of Veterinary Medicine, Vienna, Austria
| | - Barbara Bockstahler
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
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Jallouli S, Ghroubi S, Sakka S, Ben Dhia I, Damak M, Yahia A, Driss T, Mhiri C, Elleuch MH, Hammouda O. Effects of a nighttime melatonin ingestion on dynamic postural balance and muscle strength the following morning in people living with multiple sclerosis: A preliminary study. Clin Neurol Neurosurg 2024; 238:108165. [PMID: 38428060 DOI: 10.1016/j.clineuro.2024.108165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 03/03/2024]
Abstract
BACKGROUND Decreased endogenous melatonin concentrations in people with multiple sclerosis (PwMS) are associated with fatigue and pain that impair postural balance and muscle strength. Melatonin ingestion had analgesic and anti-fatigue effects. However, the acute effect of exogenous melatonin on dynamic postural stability and muscle strength has not been studied yet in PwMS. This study aimed to investigate the safety and the efficacy of a nighttime melatonin intake on dynamic postural balance and lower-extremity muscle strength the following morning in PwMS. METHODS Fourteen PwMS (28.36 ± 6.81 years) were assessed (8 a.m.) pre- and post-acute intake of melatonin or placebo (6mg, 30 minutes before nocturnal bedtime). Evaluated parameters included dynamic postural balance (force platform), lower-extremity muscle strength [Five-Repetition Sit-To-Stand Test (5-STST)], hand dexterity (Nine-Hole Peg Test), nociceptive pain [Visual Analogue Scale (VAS)], neuropathic pain [Neuropathic Pain 4 Questions (DN4)], sleep quality and fatigue perception [Hooper Index (HI)]. RESULTS In the frontal plane, melatonin reduced the center of pressure (CoP) path length (CoPL), CoPL in the anteroposterior axis (CoPLY) and CoP sway area (CoPAr) compared with placebo by 7.56% (p=0.02, Cohens'd (d)=1.24), 19.27% (p<0.001, d=2.60) and 13.82% (p<0.001, d=2.02), respectively. Melatonin induced a higher decrease in these posturographic parameters compared with placebo in the sagittal plane [CoPL: 9.10% (p=0.005, d=1.02), CoPLY: 4.29% (p=0.025, d=1.07) and CoPAr: 7.45% (p=0.038, d=0.74)]. Melatonin decreased 5-STST duration as well as VAS, DN4, HI-fatigue and HI-sleep scores compared with placebo by 8.19% (p=0.008, d=1.19), 5.74% (p=0.04, d=0.82), 27.30% (p=0.023, d=0.98), 40.15% (p=0.044, d=0.85) and 30.16% (p=0.012, d=1.10), respectively. CONCLUSION This preliminary study, among PwMS, showed that acute melatonin ingestion was safe and efficient for improving dynamic postural stability and lower-extremity muscle strength probably through its analgesic and anti-fatigue effects.
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Affiliation(s)
- Sonda Jallouli
- Research laboratory: Evaluation and Management of Musculoskeletal System Pathologies, LR20ES09, Faculty of Medicine, University of Sfax, Tunisia; High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia.
| | - Sameh Ghroubi
- Research laboratory: Evaluation and Management of Musculoskeletal System Pathologies, LR20ES09, Faculty of Medicine, University of Sfax, Tunisia
| | - Salma Sakka
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease, LR12SP19, Habib Bourguiba University Hospital, University of Sfax, Tunisia
| | - Imen Ben Dhia
- Research laboratory: Evaluation and Management of Musculoskeletal System Pathologies, LR20ES09, Faculty of Medicine, University of Sfax, Tunisia; High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia
| | - Mariem Damak
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease, LR12SP19, Habib Bourguiba University Hospital, University of Sfax, Tunisia
| | - Abdelmoneem Yahia
- Research laboratory: Evaluation and Management of Musculoskeletal System Pathologies, LR20ES09, Faculty of Medicine, University of Sfax, Tunisia
| | - Tarak Driss
- LINP2, UFR STAPS, University of Paris Nanterre, Nanterre, France
| | - Chokri Mhiri
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease, LR12SP19, Habib Bourguiba University Hospital, University of Sfax, Tunisia
| | - Mohamed Habib Elleuch
- Research laboratory: Evaluation and Management of Musculoskeletal System Pathologies, LR20ES09, Faculty of Medicine, University of Sfax, Tunisia
| | - Omar Hammouda
- LINP2, UFR STAPS, University of Paris Nanterre, Nanterre, France; Research Laboratory, Molecular bases of Human Pathology, LR19ES13, Faculty of Medicine of Sfax, University of Sfax, Tunisia
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Lahiani M, Ben Waer F, Chaari F, Rebai H, Sahli S. Effect of 12-Week-Zumba Training on Postural Balance, Lower Limb Strength, Mood and Quality of Life in Postmenopausal Women. Exp Aging Res 2024; 50:171-189. [PMID: 36726273 DOI: 10.1080/0361073x.2023.2172304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 01/20/2023] [Indexed: 02/03/2023]
Abstract
We aimed to investigate 12-week-Zumba training effects on physical and psychological parameters, and quality of life (QoL) in postmenopausal women. Forty-two postmenopausal women were randomly allocated to a control group or a Zumba group (ZG). Postural balance, lower limb strength, mood level, and QoL were assessed before and after the 12-week-Zumba training. The ZG showed significantly better balance performances under all conditions such as on firm and foam surfaces with opened and closed eyes as well as improvements in limb strength, mood and QoL compared to their baselines. Thereby, 12-week-Zumba training was effective in improving postural balance, limb strength, mood and, QoL in postmenopausal women.
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Affiliation(s)
- Mariam Lahiani
- Research Laboratory: Education, Motricity, Sports and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Fatma Ben Waer
- Research Laboratory: Education, Motricity, Sports and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Fatma Chaari
- Research Laboratory: Education, Motricity, Sports and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Haithem Rebai
- Research Laboratory: Education, Motricity, Sports and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Sonia Sahli
- Research Laboratory: Education, Motricity, Sports and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
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Marco-Ahulló A, Villarrasa-Sapiña I, Romero-Martínez J, Monfort-Torres G, Toca-Herrera JL, García-Massó X. Effect of Reduced Feedback Frequencies on Motor Learning in a Postural Control Task in Young Adults. SENSORS (BASEL, SWITZERLAND) 2024; 24:1404. [PMID: 38474940 DOI: 10.3390/s24051404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/13/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024]
Abstract
The effects of the use of reduced feedback frequencies on motor learning remain controversial in the scientific literature. At present, there is still controversy about the guidance hypothesis, with some works supporting it and others contradicting it. To shed light on this topic, an experiment was conducted with four groups, each with different feedback frequencies (0%, 33%, 67%, and 100%), which were evaluated three times (pre-test, post-test, and retention) during a postural control task. In addition, we tested whether there was a transfer in performance to another similar task involving postural control. As a result, only the 67% feedback group showed an improvement in their task performance in the post-test and retention evaluations. Nevertheless, neither group showed differences in motor transfer performance compared to another postural control task. In conclusion, the findings of this paper corroborate the hypothesis of guidance and suggest that the use of a reduced frequency of 67% is a better option for improving motor learning than options that offer feedback at a lower frequency, at all trials or not at all.
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Affiliation(s)
- Adrià Marco-Ahulló
- Departamento de Neuropsicobiología, Metodología y Psicología Social, Universidad Católica de Valencia "San Vicente Mártir", 46001 València, Spain
| | | | - Jorge Romero-Martínez
- Departament de Didàctica de l'Educació Física, Artística i Música, Universitat de València, 46022 València, Spain
| | - Gonzalo Monfort-Torres
- Departament de Didàctica de l'Educació Física, Artística i Música, Universitat de València, 46022 València, Spain
- Unidad de Educación, Florida Universitaria, 46470 València, Spain
| | - Jose Luis Toca-Herrera
- Institute of Biophysics, Department of Nanobiotechnology, University of Natural Resources and Life Sciences, 1180 Vienna, Austria
| | - Xavier García-Massó
- Departament de Didàctica de l'Educació Física, Artística i Música, Universitat de València, 46022 València, Spain
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Menici V, Scalise R, Fasano A, Falotico E, Dubbini N, Prencipe G, Sgandurra G, Filogna S, Battini R. Assessment of Postural Control in Children with Movement Disorders by Means of a New Technological Tool: A Pilot Study. Bioengineering (Basel) 2024; 11:176. [PMID: 38391662 PMCID: PMC10886107 DOI: 10.3390/bioengineering11020176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/01/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024] Open
Abstract
Considering the variability and heterogeneity of motor impairment in children with Movement Disorders (MDs), the assessment of postural control becomes essential. For its assessment, only a few tools objectively quantify and recognize the difference among children with MDs. In this study, we use the Virtual Reality Rehabilitation System (VRRS) for assessing the postural control in children with MD. Furthermore, 16 children (mean age 10.68 ± 3.62 years, range 4.29-18.22 years) were tested with VRRS by using a stabilometric balance platform. Postural parameters, related to the movements of the Centre of Pressure (COP), were collected and analyzed. Three different MD groups were identified according to the prevalent MD: dystonia, chorea and chorea-dystonia. Statistical analyses tested the differences among MD groups in the VRRS-derived COP variables. The mean distance, root mean square, excursion, velocity and frequency values of the dystonia group showed significant differences (p < 0.05) between the chorea group and the chorea-dystonia group. Technology provides quantitative data to support clinical assessment: in this case, the VRRS detected differences among the MD patterns, identifying specific group features. This tool could be useful also for monitoring the longitudinal trajectories and detecting post-treatment changes.
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Affiliation(s)
- Valentina Menici
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
- Ph.D. Programme in Clinical and Translational Sciences, University of Pisa, 56126 Pisa, Italy
| | - Roberta Scalise
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
| | - Alessio Fasano
- The BioRobotics Institute, Scuola Superiore Sant'Anna, 56127 Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, 56127 Pisa, Italy
- IRCCS Fondazione Don Carlo Gnocchi ONLUS, 50143 Florence, Italy
| | - Egidio Falotico
- The BioRobotics Institute, Scuola Superiore Sant'Anna, 56127 Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, 56127 Pisa, Italy
| | | | - Giuseppe Prencipe
- Department of Computer Science, University of Pisa, 56127 Pisa, Italy
| | - Giuseppina Sgandurra
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Silvia Filogna
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
| | - Roberta Battini
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
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Aghapour M, Affenzeller N, Peham C, Lutonsky C, Tichy A, Bockstahler B. Effect of Vision and Surface Slope on Postural Sway in Healthy Adults: A Prospective Cohort Study. Life (Basel) 2024; 14:227. [PMID: 38398736 PMCID: PMC10890291 DOI: 10.3390/life14020227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/01/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Postural stability requires an interaction between cognitive, perceptual, sensory, and motor functions. Thus, impairment in any of these systems may affect postural balance. This study assessed the effect of visual input and surface slope on postural stability. The study was conducted on healthy participants, 11 females and 11 males who were 24-34 years of age. They were asked to perform still upright bipedal standing on flat and +/-20° sloped surfaces with eyes open (EO) and closed (EC). Six center of pressure (COP) parameters were measured by posturography. A significant relationship was observed between COP parameters, standing conditions, and body mass index. Gender had no significant effect on the COP. The loss of visual input within each standing condition did not affect the COP parameters. In contrast, differences were observed between standing on a flat surface and uphill with EC and between standing on a flat surface and downhill with EC and EO. When the participants were standing on inclined surfaces, the loss of vision significantly increased the postural instability. Young healthy adults demonstrated the greatest difficulty in standing uphill with EC. This was followed by standing downhill with EC and standing downhill with EO.
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Affiliation(s)
- Masoud Aghapour
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Nadja Affenzeller
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria
- Clinical Unit of Internal Medicine Small Animals, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Christian Peham
- Movement Science Group, Equine Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Christiane Lutonsky
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Alexander Tichy
- Platform Bioinformatics and Biostatistics, Department for Biomedical Services, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Barbara Bockstahler
- Section of Physical Therapy, Small Animal Surgery, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria
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17
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Loffi RG, Cruz TKF, Paiva GM, Souto DO, Barreto SR, Santana PAN, Nascimento AAAC, Costa FRM, Cota EB, Haase VG. Theoretical-Methodological Foundations for the Global Integration Method (Método de Integração Global-MIG) in the Treatment of Autism Spectrum Disorder. CHILDREN (BASEL, SWITZERLAND) 2024; 11:191. [PMID: 38397303 PMCID: PMC10887636 DOI: 10.3390/children11020191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024]
Abstract
Currently, there is no intervention model for autism spectrum disorder (ASD) that addresses all levels and factors of the International Classification of Functioning, Disability and Health (ICF, WHO). The most researched programs focus on naturalistic, developmental and behavioral approaches to socio-communication. Less attention has been paid to motor and environmental reactivity aspects (behavior/interest restriction and sensory reactivity). The evidence rationale for the Global Integration Method (MIG, "Método de Integração Global"), a model addressing sensorimotor reactivity in addition to socio-communication, is presented. MIG is an integrative, interdisciplinary, family-oriented intervention and naturalistic program that addresses all levels and moderating factors of ASD's impact. MIG's theoretical rationale is based on the predictive coding impairment and embodied cognition hypotheses. MIG incorporates both bottom-up (flexible therapeutic suit, social-motor synchronization) and top-down (schematic social information processing, narratives, imagery) strategies to promote the building and use of accurate, flexible and context-sensitive internal predictive models. MIG is based on the premises that predictive coding improves both socio-communication and environmental reactivity, and that the postural stabilization provided by the flexible therapeutic suit frees information processing resources for socio-cognitive learning. MIG builds on interdisciplinary, professionally and parentally mediated work based on behavioral principles of intensive training in a situated environment.
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Affiliation(s)
- Renato Guimarães Loffi
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
| | - Thalita Karla Flores Cruz
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Giulia Moreira Paiva
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Deisiane Oliveira Souto
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
| | - Simone Rosa Barreto
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Ciências Fonoaudiológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Patrícia Aparecida Neves Santana
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Amanda Aparecida Alves Cunha Nascimento
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Fabiana Rachel Martins Costa
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Psicologia: Cognição e Comportamento, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Elisa Braz Cota
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
| | - Vitor Geraldi Haase
- Instituto de Neurodesenvolvimento, Cognição e Educação Inclusiva (INCEI), TREINITEC Ltda., Rua Carmélia Loffi 17, Justinópolis, Ribeirão das Neves 33900-730, MG, Brazil; (R.G.L.); (G.M.P.); (D.O.S.); (S.R.B.); (P.A.N.S.); (A.A.A.C.N.); (F.R.M.C.); (E.B.C.); (V.G.H.)
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
- Programa de Pós-Graduação em Psicologia: Cognição e Comportamento, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
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Bonardet N, Bardel B, Lefaucheur JP, Sorel M, Créange A. Impact of textured surfaces on the orthostatic balance of patients with multiple sclerosis. Neurophysiol Clin 2024; 54:102941. [PMID: 38382135 DOI: 10.1016/j.neucli.2023.102941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 02/23/2024] Open
Abstract
OBJECTIVE To perform posturographic measurements with eyes open or closed using floor coverings with different textured surfaces to study postural control in patients with multiple sclerosis (MS). METHODS Static posturographic recordings were performed with eyes open and eyes closed on a forceplate with no covering (control condition) or covered by a textured mat with small pimples (height 2 mm) or large pimples (height 7 mm). Several posturographic variables were measured, focusing on displacements of the center of pressure (CoP) including the average velocity (Vav), the total length (L) of all displacements, and the surface (S) of the confidence ellipse. The recordings made with the textured mats were compared to the control condition with eyes open or closed. Then, the differences between the recordings made with large vs. small pimples on the one hand, and with eyes closed vs. open were calculated to assess the impact of pimple height or eye closure on posturographic measurements. Clinical assessment was based on the Expanded Disability Status Scale (EDSS) and its functional system (FS) subscores, the Modified Fatigue Impact Scale (MFIS), the Unipodal Stance test (UST), and the Timed Up-and-Go test (TUG). RESULTS Forty-six MS patients (mean EDSS score: 3.6) completed the study. Several posturographic variables, including Vav and L, deteriorated when measured on a textured mat, especially with large pimples and in eyes open condition. In contrast, no difference was found with small pimples and eyes closed, as compared to the control condition (no covering). The deleterious impact of pimple height on posturography correlated positively with the alteration of balance and gait clinically assessed by the UST and the TUG, and also with the MFIS physical and cerebral EDSS-FS subscores, and negatively with the cerebellar and brainstem subscores. On the other hand, the impact of eye closure on posturography was negatively correlated with the visual EDSS-FS subscore. DISCUSSION Static posturographic measurements made with different textured surfaces and visual conditions can be considered as a sensitive tool to measure "proprioceptive reserves". Actually, when cerebellar, brainstem, or visual functions are impaired, the resources of the sensory (proprioceptive) system, if preserved, can be recruited at a higher level and compensate for dysfunctions of other postural controls to maintain a satisfactory balance. In addition, this procedure of static posturographic examination can provide objective measurements correlated with clinical testing of balance and gait and could usefully complement EDSS scoring to assess disability affecting postural control and the risk of falling in MS patients.
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Affiliation(s)
- Nathalie Bonardet
- EA 4391, ENT, Faculté de Santé, Université Paris-Est Créteil, Créteil, France; Centre d'Evaluation et Traitement de la Douleur, Centre Hospitalier du Sud Seine-et-Marne, Nemours, France.
| | - Benjamin Bardel
- EA 4391, ENT, Faculté de Santé, Université Paris-Est Créteil, Créteil, France; Unité de Neurophysiologie Clinique, Hôpital Universitaire Henri Mondor, AP-HP, Créteil, France
| | - Jean-Pascal Lefaucheur
- EA 4391, ENT, Faculté de Santé, Université Paris-Est Créteil, Créteil, France; Unité de Neurophysiologie Clinique, Hôpital Universitaire Henri Mondor, AP-HP, Créteil, France
| | - Marc Sorel
- EA 4391, ENT, Faculté de Santé, Université Paris-Est Créteil, Créteil, France; Centre d'Evaluation et Traitement de la Douleur, Centre Hospitalier du Sud Seine-et-Marne, Nemours, France
| | - Alain Créange
- EA 4391, ENT, Faculté de Santé, Université Paris-Est Créteil, Créteil, France; Service de Neurologie, Hôpital Universitaire Henri Mondor, AP-HP, Créteil, France
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Promsri A, Deedphimai S, Promthep P, Champamuang C. Effects of Different Wearable Resistance Placements on Running Stability. Sports (Basel) 2024; 12:45. [PMID: 38393265 PMCID: PMC10892856 DOI: 10.3390/sports12020045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/28/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024] Open
Abstract
Stability during running has been recognized as a crucial factor contributing to running performance. This study aimed to investigate the effects of wearable equipment containing external loads on different body parts on running stability. Fifteen recreational male runners (20.27 ± 1.23 years, age range 19-22 years) participated in five treadmill running conditions, including running without loads and running with loads equivalent to 10% of individual body weight placed on four different body positions: forearms, lower legs, trunk, and a combination of all three (forearms, lower legs, and trunk). A tri-axial accelerometer-based smartphone sensor was attached to the participants' lumbar spine (L5) to record body accelerations. The largest Lyapunov exponent (LyE) was applied to individual acceleration data as a measure of local dynamic stability, where higher LyE values suggest lower stability. The effects of load distribution appear in the mediolateral (ML) direction. Specifically, running with loads on the lower legs resulted in a lower LyE_ML value compared to running without loads (p = 0.001) and running with loads on the forearms (p < 0.001), trunk (p = 0.001), and combined segments (p = 0.005). These findings suggest that running with loads on the lower legs enhances side-to-side local dynamic stability, providing valuable insights for training.
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Affiliation(s)
- Arunee Promsri
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand; (S.D.); (P.P.); (C.C.)
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Tsang SMH, Chan EHW, Chan JYH, Huang GPY, Lam KKT, Lam EWY, Fu ACL, Sun ER. Reactive postural adjustment in response to predictable and unpredictable perturbations in healthy adults: A comparison between swayback, hyperlordotic and erect postures. Gait Posture 2024; 108:35-43. [PMID: 37980833 DOI: 10.1016/j.gaitpost.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 10/11/2023] [Accepted: 11/01/2023] [Indexed: 11/21/2023]
Abstract
BACKGROUND Promoting an erect posture in standing has been advocated to offer superior protection to the spine when compared to hyperlordotic and swayback postures. RESEARCH QUESTION Do postural adjustments towards external perturbation differ between erect, hyperlordotic and swayback postures? If so, which posture offers better protection to lumbar spine? METHODS Forty-four healthy adults received top-down perturbations under unpredictable (without visual-and-auditory input) and predictable (with visual-and-auditory input) conditions in three simulated postures: erect, hyperlordotic, and swayback. Postural adjustments namely the centre of pressure parameters, joint angle onsets, and neuromuscular responses measured by muscle onsets and co-contraction between muscle pairs upon the perturbation were compared using the two-way repeated measures ANOVA. Post-hoc analysis with Bonferroni correction was conducted to identify the between-posture differences for the respective postural adjustment parameters. RESULTS Path length, ellipse area and average velocity of centre of pressure were significantly greater under unpredictable condition as compared to predictable condition (p < 0.001). Significant between-posture difference was detected in centre of pressure path length (p < 0.035), pelvic tilt onset (p < 0.038) and all muscle co-contraction indexes (p < 0.001). Post-hoc analysis revealed significantly smaller centre of pressure path length in erect posture as compared to hyperlordotic and swayback postures (p < 0.01) under unpredictable conditions. Significantly greater co-contraction indexes of lumbar multifidus and erector spinae, and internal oblique and lumbar multifidus were found in hyperlordotic as compared to erect and swayback postures (p < 0.05). SIGNIFICANCE Compared to erect posture, adoption of hyperlordotic and swayback postures altered the contributions of the active and passive subsystems of the spine that regulates postural control upon external perturbations. Such differences in neuromuscular control may lessen the capacity of the human spine to withstand loading and shear forces. Prospective studies are required to validate if habitually adopted hyperlordotic and swayback postures contribute to an earlier/ higher prevalence of spinal dysfunctions.
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Affiliation(s)
- Sharon M H Tsang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong.
| | - Evest H W Chan
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Jason Y H Chan
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Gladys P Y Huang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Kelly K T Lam
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Eunice W Y Lam
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Allan C L Fu
- Faculty of Medicine and Health, University of Sydney, Australia
| | - Eliza R Sun
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Kowloon, Hong Kong
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21
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Alshehri MA, Alzahrani H, van den Hoorn W, Klyne DM, Vette AH, Hendershot BD, Roberts BWR, Larivière C, Barbado D, Vera-Garcia FJ, van Dieen JH, Cholewicki J, Nussbaum MA, Madigan ML, Reeves NP, Silfies SP, Brown SHM, Hodges PW. Trunk postural control during unstable sitting among individuals with and without low back pain: A systematic review with an individual participant data meta-analysis. PLoS One 2024; 19:e0296968. [PMID: 38265999 PMCID: PMC10807788 DOI: 10.1371/journal.pone.0296968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/26/2023] [Indexed: 01/26/2024] Open
Abstract
INTRODUCTION Sitting on an unstable surface is a common paradigm to investigate trunk postural control among individuals with low back pain (LBP), by minimizing the influence lower extremities on balance control. Outcomes of many small studies are inconsistent (e.g., some find differences between groups while others do not), potentially due to confounding factors such as age, sex, body mass index [BMI], or clinical presentations. We conducted a systematic review with an individual participant data (IPD) meta-analysis to investigate whether trunk postural control differs between those with and without LBP, and whether the difference between groups is impacted by vision and potential confounding factors. METHODS We completed this review according to PRISMA-IPD guidelines. The literature was screened (up to 7th September 2023) from five electronic databases: MEDLINE, CINAHL, Embase, Scopus, and Web of Science Core Collection. Outcome measures were extracted that describe unstable seat movements, specifically centre of pressure or seat angle. Our main analyses included: 1) a two-stage IPD meta-analysis to assess the difference between groups and their interaction with age, sex, BMI, and vision on trunk postural control; 2) and a two-stage IPD meta-regression to determine the effects of LBP clinical features (pain intensity, disability, pain catastrophizing, and fear-avoidance beliefs) on trunk postural control. RESULTS Forty studies (1,821 participants) were included for the descriptive analysis and 24 studies (1,050 participants) were included for the IPD analysis. IPD meta-analyses revealed three main findings: (a) trunk postural control was worse (higher root mean square displacement [RMSdispl], range, and long-term diffusion; lower mean power frequency) among individuals with than without LBP; (b) trunk postural control deteriorated more (higher RMSdispl, short- and long-term diffusion) among individuals with than without LBP when vision was removed; and (c) older age and higher BMI had greater adverse impacts on trunk postural control (higher short-term diffusion; longer time and distance coordinates of the critical point) among individuals with than without LBP. IPD meta-regressions indicated no associations between the limited LBP clinical features that could be considered and trunk postural control. CONCLUSION Trunk postural control appears to be inferior among individuals with LBP, which was indicated by increased seat movements and some evidence of trunk stiffening. These findings are likely explained by delayed or less accurate corrective responses. SYSTEMATIC REVIEW REGISTRATION This review has been registered in PROSPERO (registration number: CRD42021124658).
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Affiliation(s)
- Mansour Abdullah Alshehri
- NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
- Physiotherapy Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Mecca, Saudi Arabia
| | - Hosam Alzahrani
- Department of Physical Therapy, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
| | - Wolbert van den Hoorn
- NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
| | - David M. Klyne
- NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
| | - Albert H. Vette
- Department of Mechanical Engineering, Donadeo Innovation Centre for Engineering, University of Alberta, Edmonton, Canada
- Glenrose Rehabilitation Hospital, Alberta Health Services, Edmonton, Canada
| | - Brad D. Hendershot
- Extremity Trauma and Amputation Center of Excellence, Defense Health Agency, Falls Church, Virginia, United States of America
| | - Brad W. R. Roberts
- Department of Mechanical Engineering, Donadeo Innovation Centre for Engineering, University of Alberta, Edmonton, Canada
| | - Christian Larivière
- Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST), Montreal, Quebec, Canada
- Center for Interdisciplinary Research in Rehabilitation of Greater Montreal (CRIR), Montreal Rehabilitation Institute, Montreal, Quebec, Canada
| | - David Barbado
- Sport Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
| | - Francisco J. Vera-Garcia
- Sport Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
| | - Jaap H. van Dieen
- Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Netherlands
| | - Jacek Cholewicki
- Center for Neuromusculoskeletal Clinical Research, Michigan State University, Lansing, Michigan, United States of America
- Department of Osteopathic Manipulative Medicine, Michigan State University, East Lansing, Michigan, United States of America
| | - Maury A. Nussbaum
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, Virginia, United States of America
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, Virginia, United States of America
| | - Michael L. Madigan
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Virginia Tech, Blacksburg, Virginia, United States of America
- Department of Industrial and Systems Engineering, Virginia Tech, Blacksburg, Virginia, United States of America
| | | | - Sheri P. Silfies
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina, United States of America
| | - Stephen H. M. Brown
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Paul W. Hodges
- NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
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22
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Rizzato A, Dalla Costa VG, Bozzato M, Paoli A, Marcolin G. Concurrent activation potentiation improves lower-limb maximal strength but not dynamic balance control in rugby players. Front Bioeng Biotechnol 2024; 11:1270322. [PMID: 38249800 PMCID: PMC10796714 DOI: 10.3389/fbioe.2023.1270322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/18/2023] [Indexed: 01/23/2024] Open
Abstract
Concurrent activation potentiation (CAP) increases athletic performance by activating muscles not involved in the performed activity. Among the CAP strategies, jaw clenching is the most practical to implement in sports contexts. Muscle strength and balance control are essential among rugby players to cope tackles. Besides combat sports, mouthguard has become mandatory also in rugby. Therefore, this study aimed to understand whether mouthguard jaw-clenching could improve rugby players' dynamic balance and quadriceps isometric strength. Thirteen rugby players were tested under maximal-bite (MB) and no-bite (NB) conditions. During standing balance tests, an electro-actuated platform with a force plate screwed on it allowed for the perturbation of the support base of the rugby players. A verbal signal warned the subject that the perturbation was coming, mentally recalling an in-field expected collision. In the first 2.5 s window after the perturbation, the center of pressure (CoP) displacement and mean velocity were measured. The first peak, the maximal oscillations, and the standard deviation of the anterior-posterior CoP trajectory were calculated within the same time window. In the isometric leg-extension test, a custom-built chair instrumented with a uni-axial load cell allowed to collect the maximal strength and rate of force development (RFD). Mouthguard jaw-clenching did not affect CoP-related parameters but increased maximal strength (p < 0.05) and RFD (0-50 ms: p < 0.01; 50-100 ms: p < 0.001; 100-150 ms: p < 0.05) in the isometric leg-extension test. Mouthguard jaw-clenching alone could be useful to increase lower-limb maximal isometric strength and RFD but did not improve dynamic balance performance in a sport-oriented postural balance test.
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Affiliation(s)
- Alex Rizzato
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | | | - Matteo Bozzato
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Antonio Paoli
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Giuseppe Marcolin
- Department of Biomedical Sciences, University of Padova, Padua, Italy
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23
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Han S, Oh M, Lee H, Hopkins JT. EMG Analysis During Static Balance in Chronic Ankle Instability, Coper and Controls. Int J Sports Med 2024; 45:48-54. [PMID: 37972934 DOI: 10.1055/a-2156-2644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Patients with chronic ankle instability (CAI) consistently display postural control alterations, which may result from sensorimotor dysfunction. This study aimed to compare muscle activity in the lower extremity and postural control among individuals with CAI, copers and uninjured controls during a static balance test. A total of 57 physically active participants were categorized into three groups (CAI, copers and controls) and performed a single-leg balance test with two visual conditions: eyes open and eyes closed. Muscle activity in six lower extremity muscles and center of pressure (CoP) variables were recorded and analyzed. Patients with CAI exhibited greater muscle activity in the medial gastrocnemius and gluteus maximus compared to controls or copers, regardless of the visual condition. Copers displayed increased gluteus medius activity compared to controls. Additionally, all groups demonstrated increased muscle activity and CoP variables when visual feedback was disrupted. These findings suggest that patients with CAI may have less effective recruitment of motor units during static balance. On the other hand, greater muscle activity in the gluteus medius in copers may represent a coping mechanism to avoid further ankle injuries. Further research on muscle activity during dynamic postural control is warranted to explore sensorimotor alterations in patients with CAI.
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Affiliation(s)
- Seunguk Han
- Exercise Sciences, Brigham Young University, Provo, United States
| | - Minsub Oh
- Exercise Sciences, Brigham Young University, Provo, United States
| | - Hyunwook Lee
- Exercise Sciences, Brigham Young University, Provo, United States
| | - J Ty Hopkins
- Exercise Sciences, Brigham Young University, Provo, United States
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24
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Wang G, Yang Y, Dong K, Hua A, Wang J, Liu J. Multisensory Conflict Impairs Cortico-Muscular Network Connectivity and Postural Stability: Insights from Partial Directed Coherence Analysis. Neurosci Bull 2024; 40:79-89. [PMID: 37989834 PMCID: PMC10774487 DOI: 10.1007/s12264-023-01143-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 07/16/2023] [Indexed: 11/23/2023] Open
Abstract
Sensory conflict impacts postural control, yet its effect on cortico-muscular interaction remains underexplored. We aimed to investigate sensory conflict's influence on the cortico-muscular network and postural stability. We used a rotating platform and virtual reality to present subjects with congruent and incongruent sensory input, recorded EEG (electroencephalogram) and EMG (electromyogram) data, and constructed a directed connectivity network. The results suggest that, compared to sensory congruence, during sensory conflict: (1) connectivity among the sensorimotor, visual, and posterior parietal cortex generally decreases, (2) cortical control over the muscles is weakened, (3) feedback from muscles to the cortex is strengthened, and (4) the range of body sway increases and its complexity decreases. These results underline the intricate effects of sensory conflict on cortico-muscular networks. During the sensory conflict, the brain adaptively decreases the integration of conflicting information. Without this integrated information, cortical control over muscles may be lessened, whereas the muscle feedback may be enhanced in compensation.
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Affiliation(s)
- Guozheng Wang
- Key Laboratory for Biomedical Engineering of Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, 310058, China
- Taizhou Key Laboratory of Medical Devices and Advanced Materials, Research Institute of Zhejiang University-Taizhou, Taizhou, 318000, China
- Department of Sports Science, College of Education, Zhejiang University, Hangzhou, 310058, China
| | - Yi Yang
- Department of Sports Science, College of Education, Zhejiang University, Hangzhou, 310058, China
| | - Kangli Dong
- Key Laboratory for Biomedical Engineering of Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, 310058, China
| | - Anke Hua
- Department of Sports Science, College of Education, Zhejiang University, Hangzhou, 310058, China
| | - Jian Wang
- Department of Sports Science, College of Education, Zhejiang University, Hangzhou, 310058, China.
- Center for Psychological Science, Zhejiang University, Hangzhou, 310058, China.
| | - Jun Liu
- Key Laboratory for Biomedical Engineering of Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, 310058, China.
- Taizhou Key Laboratory of Medical Devices and Advanced Materials, Research Institute of Zhejiang University-Taizhou, Taizhou, 318000, China.
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25
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Behtani L, Paromov D, Moïn-Darbari K, Houde MS, Bacon BA, Maheu M, Leroux T, Champoux F. Hearing Aid Amplification Improves Postural Control for Older Adults With Hearing Loss When Other Sensory Cues Are Impoverished. Trends Hear 2024; 28:23312165241232219. [PMID: 38356376 PMCID: PMC10868491 DOI: 10.1177/23312165241232219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 02/16/2024] Open
Abstract
Recent studies suggest that sound amplification via hearing aids can improve postural control in adults with hearing impairments. Unfortunately, only a few studies used well-defined posturography measures to assess balance in adults with hearing loss with and without their hearing aids. Of these, only two examined postural control specifically in the elderly with hearing loss. The present study examined the impact of hearing aid use on postural control during various sensory perturbations in older adults with age-related hearing loss. Thirty individuals with age-related hearing impairments and using hearing aids bilaterally were tested. Participants were asked to perform a modified clinical sensory integration in balance test on a force platform with and without hearing aids. The experiment was conducted in the presence of a broadband noise ranging from 0.1 to 4 kHz presented through a loudspeaker. As expected, hearing aid use had a beneficial impact on postural control, but only when visual and somatosensory inputs were both reduced. Data also suggest that hearing aid use decreases the dependence on somatosensory input for maintaining postural control. This finding can be of particular importance in older adults considering the reduction of tactile and proprioceptive sensitivity and acuity often associated with aging. These results provide an additional argument for encouraging early hearing aid fitting for people with hearing loss.
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Affiliation(s)
- L. Behtani
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
- Centre de Recherche de L’Institut Universitaire de Gériatrie de Montréal (CRIUGM), Montréal, QC, Canada
| | - D. Paromov
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
- Centre de Recherche de L’Institut Universitaire de Gériatrie de Montréal (CRIUGM), Montréal, QC, Canada
| | - K. Moïn-Darbari
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - MS Houde
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - BA Bacon
- Department of Psychology, University of British Columbia, Vancouver, BC, Canada
| | - M. Maheu
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
- Institut Universitaire Sur la Réadaptation en Déficience Physique de Montréal (IURDPM), Pavillon Laurier, CIUSSS du Centre-Sud-de-l’Île-de-Montréal, Montréal, QC, Canada
| | - T. Leroux
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - F. Champoux
- School of Speech Language Pathology and Audiology, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
- Centre de Recherche de L’Institut Universitaire de Gériatrie de Montréal (CRIUGM), Montréal, QC, Canada
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Waer FB, Sahli S, Alexe CI, Man MC, Alexe DI, Burchel LO. The Effects of Listening to Music on Postural Balance in Middle-Aged Women. SENSORS (BASEL, SWITZERLAND) 2023; 24:202. [PMID: 38203063 PMCID: PMC10781301 DOI: 10.3390/s24010202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
Listening to music has been found to influence postural balance in both healthy participants and certain patients, whereas no study investigates such effects among healthy middle-aged women. Thus, this study aimed to investigate the effect of music on postural balance in middle-aged women. Twenty-six healthy women aged between 50 and 55 years participated in this study. A stabilometric platform was used to assess their postural balance by recording the mean center of pressure velocity (VmCOP) in the eyes-opened (OE) and -closed (EC) conditions on both firm and foam surfaces. Our results showed that listening to an excerpt of Mozart's Jupiter significantly decreased the VmCOP values in two sensory conditions (firm surface/EO: (p < 0.01; 95% CI: 0.27 to 2.22); foam surface/EC: (p < 0.001; 95% CI: 0.48 to 2.44)), but not in the other two conditions (firm surface/EC and foam surface/EO). We concluded that listening to Mozart's symphony improved postural performance in middle-aged women, even in challenged postural conditions. These enhancements could offer great potential for everyday functioning.
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Affiliation(s)
- Fatma Ben Waer
- Research Laboratory Education, Motricity, Sport and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia; (F.B.W.); (S.S.)
| | - Sonia Sahli
- Research Laboratory Education, Motricity, Sport and Health, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia; (F.B.W.); (S.S.)
| | - Cristina Ioana Alexe
- Department of Physical Education and Sports Performance, Faculty of Movement, Sports and Health Sciences, “Vasile Alecsandri” University of Bacau, 600115 Bacau, Romania
| | - Maria Cristina Man
- Department of Physical Education, 1 Decembrie 1918 University of Alba Iulia, 510009 Alba Iulia, Romania
| | - Dan Iulian Alexe
- Department of Physical and Occupational Therapy, Faculty of Movement, Sports and Health Sciences, “Vasile Alecsandri” University of Bacău, 600115 Bacau, Romania;
| | - Lucian Ovidiu Burchel
- Department of Environmental Sciences, Physics, Physical Education and Sports, Faculty of Sciences, Lucian Blaga University of Sibiu, 550024 Sibiu, Romania;
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27
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Haworth J, Lopatin T, Daniels E, Dykstra B, Kendall B, Goble D. Verbal Encouragement Provokes Significant Increases in Maximal Volitional Dynamic Postural Sway. J Mot Behav 2023; 56:322-329. [PMID: 38149307 DOI: 10.1080/00222895.2023.2297884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 12/18/2023] [Indexed: 12/28/2023]
Abstract
Limits of Stability protocols are typically target-oriented, leaving volitional aspects of control unobservable. A novel unconstrained protocol, volitional Limits of Stability (vLOS), shows high test-retest-reliability. We tested if verbal encouragement impacts this protocol. Forty healthy young adults (age 20.1 ± .9 years) performed three trials of vLoS with instructions that were agnostic to strategy or vigor, except trial three included verbal encouragement. Total sway area was used to metric the maximum volitional dynamic sway during each 1-min trial. One-way, repeated-measures ANOVA revealed significant differences (F(2,117) = 41.56, p < 0.0001, η p 2 = 0.52) due to encouragement. Specifically, follow-up paired t-tests showed no difference in sway area between the first two trials (p = 0.61), while trial three was much larger than trials one and two (p < 0.0001). Significant, large increases in sway area with verbal encouragement indicate that top-down mechanisms should be considered in theories of postural control. As well, clinical utilization of novel vLOS should be careful with word selection and delivery of protocol instructions.HIGHLIGHTSLimits of Stability balance tests typically include a goal directed instruction and metrics.Dynamic postural sway should be tested in a task affording participant volitional control.A novel volitional Limits of Stability protocol has been developed.Maximal dynamic postural sway responds to motivating instructions.Psychological factors of postural sway control deserve further investigation.
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Affiliation(s)
- Joshua Haworth
- Department of Human Movement Science, Oakland University, Rochester, MI, USA
| | - Trevor Lopatin
- Department of Human Movement Science, Oakland University, Rochester, MI, USA
| | - Emily Daniels
- Department of Kinesiology, Taylor University, Upland, IN, USA
| | - Brandon Dykstra
- Department of Kinesiology, Taylor University, Upland, IN, USA
| | - Bradley Kendall
- Department of Kinesiology, Taylor University, Upland, IN, USA
| | - Daniel Goble
- Department of Human Movement Science, Oakland University, Rochester, MI, USA
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28
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Tapanya W, Kumfu S, Sangkarit N, Amput P, Konsanit S. Overweight in elderly increases postural instability during sit-to-stand test: a Kinect-based assessment. Aging Clin Exp Res 2023; 35:3007-3014. [PMID: 37921905 DOI: 10.1007/s40520-023-02606-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/20/2023] [Indexed: 11/05/2023]
Abstract
BACKGROUND Being overweight increases the risk of falls and subsequent injuries. However, conventional functional balance tests may not be appropriate for this population as body weight can affect test performance. Thus, it is crucial to develop reliable methods for assessing balance ability in overweight individuals. AIM The purpose of this study was to utilize a portable gaming device (Kinect Xbox 360) to measure the center of mass (CoM) of elderly individuals and compare the results between normal weight and overweight elderly women. METHODS The study included 64 female elderly individuals who were divided into two groups: 32 normal weight and 32 overweight subjects, matched for age (matched pairs design). The study collected the body's CoM during the five-time sit-to-stand test (FTSST) using Kinect camera. Additionally, the participants underwent the time up and go test (TUGT) and one-leg standing balance (OLSB) tests. The Kinect Xbox 360 demonstrated high test-retest reliability for measuring body's center of mass sway, with ICC3,1 value of 0.982 in the vertical direction, 0.983 in the mediolateral (ML) direction, and 0.997 in the anteroposterior (AP) direction. Additionally, the technical error of measurement (TEM) was very low at 0.006, 0.002, and 0.004, respectively. The % coefficient of variation ranged from 1.31% to 5.68%, indicating good measurement consistency. RESULTS Overweight individuals took longer to complete FTSST and TUGT compared to normal weight individuals, but no significant difference was observed in OLSB tests. Moreover, overweight elderly individuals had greater sway length in the ML and AP directions compared to normal weight elderly individuals. DISCUSSION AND CONCLUSION Overweight elderly individuals had poorer balance than their normal weight counterparts when using Kinect camera. The researchers suggest that Kinect device can be a cost-effective alternative to measure balance performance among overweight elderly in the community-based setting.
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Affiliation(s)
- Weerasak Tapanya
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, 19/2 Maeka Subdistrict, Muang District, Phayao, 56000, Thailand.
- Unit of Excellence of Human Performance and Rehabilitations, University of Phayao, Phayao, 56000, Thailand.
| | - Sirintip Kumfu
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, 19/2 Maeka Subdistrict, Muang District, Phayao, 56000, Thailand
| | - Noppharath Sangkarit
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, 19/2 Maeka Subdistrict, Muang District, Phayao, 56000, Thailand
- Unit of Excellence of Human Performance and Rehabilitations, University of Phayao, Phayao, 56000, Thailand
| | - Patchareeya Amput
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, 19/2 Maeka Subdistrict, Muang District, Phayao, 56000, Thailand
- Unit of Excellence of Human Performance and Rehabilitations, University of Phayao, Phayao, 56000, Thailand
| | - Saisunee Konsanit
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, 19/2 Maeka Subdistrict, Muang District, Phayao, 56000, Thailand
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Jouira G, Alexe CI, Herlo JN, Moraru CE, Bogdan M, Alexe DI, Mareș G, Sahli S. Effects of Smartphone Activities on Postural Balance in Adolescents with Intellectual Disabilities. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1810. [PMID: 38002901 PMCID: PMC10670893 DOI: 10.3390/children10111810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/09/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023]
Abstract
Considering the rising prevalence of smartphone usage among adolescents with intellectual disabilities and their frequent motor challenges, understanding its impact on their physical well-being is important. This study aims to investigate the impact of smartphone activities on postural balance in adolescents with intellectual disabilities. Two groups of adolescents participated in the study: an intellectual disability group (IDG) (n = 16) and atypical development group (TDG) (n = 12). Static postural balance, using a stabilometric platform on firm and foam surfaces, and dynamic balance, using the Timed Up-and-Go Test (TUGT), were performed under various conditions, such as playing a game, watching videos, video calls, and listening to music. The center of pressure (CoP) values significantly increased (p < 0.05) during all smartphone activities (except listening to music) compared to the control condition in both groups, with the IDG demonstrated a more pronounced increase (p < 0.05) during playing video games and video calls on the firm surface. TUGT scores significantly increased (p < 0.05) during smartphone activities, with greater changes observed in the IDG (p < 0.05), and significantly decreased (p < 0.01) during listening to music in both groups. Our study suggests that adolescents with intellectual disabilities need special tools and guidance to ensure their safety and well-being when using smartphones.
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Affiliation(s)
- Ghada Jouira
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia
| | - Cristina Ioana Alexe
- Department of Physical Education and Sports Performance, "Vasile Alecsandri" University of Bacău, 600115 Bacău, Romania
| | - Julien Narcis Herlo
- Department of Physical Education and Sports Performance, "Aurel Vlaicu" University of Arad, 310032 Arad, Romania
| | - Cristina Elena Moraru
- Department of Physical Education and Sports, "Alexandru Ioan Cuza" University of Iasi, 700506 Iasi, Romania
| | - Mihaela Bogdan
- Doctoral School in Sport Science and Physical Education, "Alexandru Ioan Cuza" University of Iasi, 700506 Iasi, Romania
| | - Dan Iulian Alexe
- Department of Physical and Occupational Therapy, "Vasile Alecsandri" University of Bacău, 600115 Bacău, Romania
| | - Gabriel Mareș
- Department of Physical and Occupational Therapy, "Vasile Alecsandri" University of Bacău, 600115 Bacău, Romania
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé (EM2S) LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia
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Mouras H, Vonesch A, Lebel K, Léonard G, Lelard T. Posturography Approaches: An Insightful Window to Explore the Role of the Brain in Socio-Affective Processes. Brain Sci 2023; 13:1585. [PMID: 38002545 PMCID: PMC10669518 DOI: 10.3390/brainsci13111585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
A significant amount of research has highlighted the importance of a motor component in the brain's processing of emotional, motivational and social information. Posturography has emerged as an interesting way to assess motor correlates associated with this process. In this review, we highlight recent results within the functional context of painful stimulus perception and discuss the interest in broadening the use of posturography to other motivational and societal functional contexts. Although characterized by significant feasibility, the single measurement of the COP's anteroposterior displacement presents limitations for attesting approach-avoidance behavior towards a visual target. Here, we discuss a number of methodological avenues that could go some way towards overcoming these limitations.
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Affiliation(s)
- Harold Mouras
- UR-UPJV 4559 LNFP Functional and Pathological Neurosciences Laboratory, Picardy Jules Verne University, 80054 Amiens, France;
| | - Alexandre Vonesch
- UR-UPJV 4559 LNFP Functional and Pathological Neurosciences Laboratory, Picardy Jules Verne University, 80054 Amiens, France;
| | - Karina Lebel
- Research Centre on Aging, CIUSSS de l’Estrie—CHUS, Sherbrooke, QC J1H 4C4, Canada; (K.L.); (G.L.)
| | - Guillaume Léonard
- Research Centre on Aging, CIUSSS de l’Estrie—CHUS, Sherbrooke, QC J1H 4C4, Canada; (K.L.); (G.L.)
- School of Rehabilitation, Faculty of Medicine and Health Sciences, Sherbrooke University, Sherbrooke, QC J1H 5N4, Canada
| | - Thierry Lelard
- UR-UPJV 3300 APERE Physiological Adaptation to Exercise and Exercise Rehabilitation, Picardy Jules Verne University, 80054 Amiens, France;
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Waer FB, Alexe CI, Tohănean DI, Čaušević D, Alexe DI, Sahli S. The Influence of Listening to Preferred versus Non-Preferred Music on Static and Dynamic Balance in Middle-Aged Women. Healthcare (Basel) 2023; 11:2681. [PMID: 37830718 PMCID: PMC10572328 DOI: 10.3390/healthcare11192681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/14/2023] Open
Abstract
Although many women perform postural tasks while listening to music, no study has investigated whether preferred music has different effects than non-preferred music. Thus, this study aimed to explore the effects of listening to preferred versus non-preferred music on postural balance among middle-aged women. Twenty-four women aged between 50 and 55 years were recruited for this study. To assess their static balance, a stabilometric platform was used, recording the mean center of pressure velocity (CoPVm), whereas the timed up and go test (TUGT) was used to assess their dynamic balance. The results showed that listening to their preferred music significantly decreased their CoPVm values (in the firm-surface/eyes-open (EO) condition: (p < 0.05; 95% CI [-0.01, 2.17])). In contrast, when the women were listening to non-preferred music, their CoPVm values significantly (p < 0.05) increased compared to the no-music condition in all the postural conditions except for the firm-surface/EO condition. In conclusion, listening to music has unique effects on postural performance, and these effects depend on the genre of music. Listening to preferred music improved both static and dynamic balance in middle-aged women, whereas listening to non-preferred music negatively affected these performances, even in challenged postural conditions.
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Affiliation(s)
- Fatma Ben Waer
- Research Laboratory Education, Motricité, Sport et Santé, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia; (F.B.W.); (S.S.)
| | - Cristina Ioana Alexe
- Department of Physical Education and Sports Performance, “Vasile Alecsandri”, University of Bacău, 600115 Bacău, Romania
| | - Dragoș Ioan Tohănean
- Department of Motric Performance, “Transilvania” University of Brașov, 600115 Brașov, Romania;
| | - Denis Čaušević
- Faculty of Sport and Physical Education, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Dan Iulian Alexe
- Department of Physical and Occupational Therapy, “Vasile Alecsandri”, University of Bacău, 600115 Bacău, Romania
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia; (F.B.W.); (S.S.)
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Aryan R, Inness E, Patterson KK, Mochizuki G, Mansfield A. Reliability of force plate-based measures of standing balance in the sub-acute stage of post-stroke recovery. Heliyon 2023; 9:e21046. [PMID: 37886778 PMCID: PMC10597864 DOI: 10.1016/j.heliyon.2023.e21046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023] Open
Abstract
Background Difficulty controlling balance is one of the major contributors to the increased risk of falls among individuals with stroke. It is important to use reliable and objective measures to improve examination of balance impairments post-stroke, and to in turn inform clinical decision-making. The main objective of this study was to examine the relative and absolute reliabilities of force plate-based balance measures in quiet standing, in the sub-acute stage of stroke recovery. Methods Twenty-four people with sub-acute stroke (mean age = 61 years) performed two trials of quiet standing, each 30 s long. Sixteen force plate-based balance measures in the time, frequency, or nonlinear domains were calculated. Within-session test-retest reliabilities were investigated using intraclass correlation coefficient (ICC), standard error of measurement, and minimal detectable change. Results Mean speed of displacements of the centre of pressure along the anterior-posterior axis (ICC = 0.91; CI95 % = [0.83, 0.95]), and directional weight-bearing asymmetry (ICC = 0.91; CI95 % = [0.82, 0.95]) demonstrated high relative reliabilities, followed by the speed-based symmetry index and absolute weight-bearing asymmetry (both ICCs = 0.86; CI95 % = [0.74, 0.93]). Conclusions Mean speeds of centre of pressure, directional weight-bearing asymmetry, and speed-based symmetry index are the most reliable force plate-based measures that were evaluated in our study, and can be included in the balance assessments of individuals within the sub-acute stage of post-stroke recovery. These findings can better inform clinicians about the specific balance problems experienced by people in this population.
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Affiliation(s)
- Raabeae Aryan
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- KITE-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
| | - Elizabeth Inness
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- KITE-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - Kara K. Patterson
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- KITE-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - George Mochizuki
- School of Kinesiology and Health Science, Faculty of Health, York University, Toronto, ON, Canada
| | - Avril Mansfield
- KITE-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
- Evaluative Clinical Sciences, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
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Bonardet N, Chapus J, Lefaucheur JP, Lampire N, Créange A, Sorel M. Impact of five floor coverings on the orthostatic balance of healthy subjects. Exp Brain Res 2023; 241:2499-2508. [PMID: 37661240 DOI: 10.1007/s00221-023-06698-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 08/26/2023] [Indexed: 09/05/2023]
Abstract
Plantar skin sensitivity contributes to the regulation of postural control and, therefore, changing the characteristics of the plantar support surface can modify this control. This study aimed at assessing the impact of five different floor coverings on the orthostatic balance in 48 healthy subjects. Static posturography was performed with eyes open or closed on a platform in a control condition (no covering) and with five different covering surfaces: foam, silicone, ethyl vinyl acetate, and two textured mats with small (height 2 mm) or large pimples (7 mm). The average velocity of center of pressure (CoP) displacement was the primary endpoint measure and ten other posturographic variables were assessed. Comfort and pain produced by the covering were also scored. In eyes open condition, the average velocity of CoP displacement was increased when subjects stood on the foam mat, the silicone mat, and especially the textured mat with large pimples. Several other posturographic variables showed significant changes with different types of floor coverings with eyes open. These changes were not correlated to the comfort or pain scores associated with the different surfaces. In contrast, no difference was observed compared to the control condition (no covering) with eyes closed. This study shows that adding smooth or textured floor covering can alter balance in eyes open condition. In eyes closed condition, although more disturbing for balance, healthy subjects achieved better postural adaptation, probably by mobilizing more of their proprioceptive resources. This posturographic examination procedure could, therefore, be used to assess "proprioceptive reserve" capacities in clinical practice.
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Affiliation(s)
- Nathalie Bonardet
- Faculté de Santé, EA 4391, ENT, Université Paris-Est Créteil, Créteil, France.
- Centre d'Evaluation et Traitement de la Douleur, Centre Hospitalier du Sud Seine-et-Marne, 15, rue des Chaudins, 77796, Nemours Cedex, France.
| | - Jean Chapus
- Centre de Rééducation LADAPT, Amilly, France
| | - Jean-Pascal Lefaucheur
- Faculté de Santé, EA 4391, ENT, Université Paris-Est Créteil, Créteil, France
- Unité de Neurophysiologie Clinique, Hôpital Universitaire Henri Mondor, AP-HP, Créteil, France
| | | | - Alain Créange
- Faculté de Santé, EA 4391, ENT, Université Paris-Est Créteil, Créteil, France
- Service de Neurologie, Hôpital Universitaire Henri Mondor, AP-HP, Créteil, France
| | - Marc Sorel
- Faculté de Santé, EA 4391, ENT, Université Paris-Est Créteil, Créteil, France
- Centre d'Evaluation et Traitement de la Douleur, Centre Hospitalier du Sud Seine-et-Marne, 15, rue des Chaudins, 77796, Nemours Cedex, France
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Chalimourdas A, Gilles A, De Hertogh W, Michiels S. Does vibration frequency and location influence the effect of neck muscle vibration on postural sway? A cross-sectional study in asymptomatic participants. Exp Brain Res 2023; 241:2261-2273. [PMID: 37552270 DOI: 10.1007/s00221-023-06680-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023]
Abstract
INTRODUCTION Postural control is of utmost importance for human functioning. Cervical proprioception is crucial for balance control. Therefore, any change to it can lead to balance problems. Previous studies used neck vibration to change cervical proprioception and showed changes in postural control, but it remains unknown which vibration frequency or location causes the most significant effect. Therefore, this study aimed to investigate the effect of different vibration frequencies and locations on postural sway and to serve as future research protocol guidance. METHODS Seventeen healthy young participants were included in the study. We compared postural sway without vibration to postural sway with six different combinations of vibration frequency (80, 100, and 150 Hz) and location (dorsal neck muscles and sternocleidomastoid). Postural sway was evaluated using a force platform. The mean center of pressure (CoP) displacement, the root mean square (RMS), and the mean velocity in the anteroposterior and mediolateral direction were calculated, as well as the sway area. The aligned rank transform tool and a three-way repeated measures ANOVA were used to identify significant differences in postural sway variables. RESULTS Neck vibration caused a significant increase in all postural sway variables (p < 0.001). Neither the vibration frequency (p > 0.34) nor location (p > 0.29) nor the interaction of both (p > 0.30) influenced the magnitude of the change in postural sway measured during vibration. CONCLUSION Neck muscle vibration significantly changes CoP displacement, mean velocity, RMS, and area. However, we investigated and found that there were no significant differences between the different combinations of vibration frequency and location.
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Affiliation(s)
- A Chalimourdas
- Department of Rehabilitation Sciences and Physiotherapy, University of Antwerp, Wilrijk, Belgium.
- REVAL Rehabilitation Research Centre, Hasselt University, Diepenbeek, Belgium.
| | - A Gilles
- Department of ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
- Department of Translational Neurosciences, University of Antwerp, Wilrijk, Belgium
- Department of Education, Health and Social Work, University College Ghent, Ghent, Belgium
| | - W De Hertogh
- Department of Rehabilitation Sciences and Physiotherapy, University of Antwerp, Wilrijk, Belgium
| | - S Michiels
- REVAL Rehabilitation Research Centre, Hasselt University, Diepenbeek, Belgium
- Department of ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
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Barassi G, Panunzio M, Di Iulio A, Di Iorio A, Pellegrino R, Colombo A, Di Stefano G, Galasso P, Spina S, Vincenzi U, Santamato A. Integrated Thermal Rehabilitation Care: An Intervention Study. Healthcare (Basel) 2023; 11:2384. [PMID: 37685418 PMCID: PMC10487012 DOI: 10.3390/healthcare11172384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/03/2023] [Accepted: 08/09/2023] [Indexed: 09/10/2023] Open
Abstract
BACKGROUND The aim of this study was to evaluate the effects of integrated thermal rehabilitation care (ITRC) on postural balance and health-related quality of life in subjects with basic autonomy. MATERIALS AND METHODS From June to December 2021, a total of 50 individuals with six points on the Katz Index of Independence in Activities of Daily Living (ADL) and a mean age of 66 (DS ± 12), comprising 27 (54%) males and 23 (46%) females, were selected. This study was carried out at the Thermal Medical Center of Castelnuovo della Daunia (Foggia, Italy), which operates within the National Health Service. The outcome measures were baropodometry (static exam, dynamic exam, and stabilometric exam), a biometric evaluation system, and the EuroQol 5-Dimension (EQ-5D-5L). RESULTS Statistical analysis of the data showed how balance affected postural control and how ITRC was able to reduce the body's imbalance and improve quality of life. The vertical angles in frontal projection displayed an increment in the values (head/shoulder, p = 0.009; head/pelvis, p = 0.001; right hip/knee, p = 0.01; right hip/ankle, p = 0.008). In a dynamic analysis, the podalic weight percentage was shown to have a reduction in imbalance on both sides (left side, p = 0.01; right side, p = 0. 01). EQ-5D-5L showed a statistically significant improvement in quality of life and perception of quality of life. Indeed, the health status score improved in all items and in the total rate of the EQ index. In all subjects, walking motility (p = 0.005), self-care (p = 0.002), and habitual activity (p = 0.002) showed statistically significant increments in their values. Pain/discomfort (p = 0.001) and anxiety (p = 0.006) were also reduced. In addition, there was a statistically significant increment in the Visual Analogue Scale (VAS) score (p = 0.001) for life perception. CONCLUSIONS The ITRC approach showed how small adjustments and postural rebalancing led to a significant improvement in quality of life. ITRC can be considered an effective treatment with good tolerability for a variety of musculoskeletal disorders.
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Affiliation(s)
- Giovanni Barassi
- Center for Physiotherapy, Rehabilitation and Re-Education-CeFiRR-Gemelli Molise, 86100 Campobasso, Italy
| | - Maurizio Panunzio
- Center for Physiotherapy, Rehabilitation and Re-Education-CeFiRR-Gemelli Molise, 86100 Campobasso, Italy
| | - Antonella Di Iulio
- Department of Thoracic Surgery, “Santo Spirito” Civil Hospital, 65124 Pescara, Italy
| | - Angelo Di Iorio
- Antalgic Mini-Invasive and Rehab-Outpatients Unit, Department of Innovative Technologies in Medicine & Dentistry, University “G. D’Annunzio”, Viale Abruzzo 322, 66100 Chieti, Italy;
| | - Raffaello Pellegrino
- Department of Scientific Research, Campus Ludes, Off-Campus Semmelweis University, 6912 Lugano, Switzerland
| | - Antonio Colombo
- Center for Physiotherapy, Rehabilitation and Re-Education-CeFiRR-Gemelli Molise, 86100 Campobasso, Italy
| | - Giuseppe Di Stefano
- Castelnuovo della Daunia Thermal Medicine Center, Castelnuovo della Daunia, 71034 Foggia, Italy
| | - Piero Galasso
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 00166 Rome, Italy
| | - Stefania Spina
- Spasticity and Movement Disorders “ReSTaRt” Unit, Physical Medicine and Rehabilitation Section, OORR Hospital, University of Foggia, 71122 Foggia, Italy
| | - Umberto Vincenzi
- Castelnuovo della Daunia Thermal Medicine Center, Castelnuovo della Daunia, 71034 Foggia, Italy
| | - Andrea Santamato
- Spasticity and Movement Disorders “ReSTaRt” Unit, Physical Medicine and Rehabilitation Section, OORR Hospital, University of Foggia, 71122 Foggia, Italy
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Jafari H, Gustafsson T, Nyberg L, Röijezon U. Predicting balance impairments in older adults: a wavelet-based center of pressure classification approach. Biomed Eng Online 2023; 22:83. [PMID: 37608334 PMCID: PMC10463618 DOI: 10.1186/s12938-023-01146-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/08/2023] [Indexed: 08/24/2023] Open
Abstract
BACKGROUND Aging is associated with a decline in postural control and an increased risk of falls. The Center of Pressure (CoP) trajectory analysis is a commonly used method to assess balance. In this study, we proposed a new method to identify balance impairments in older adults by analyzing their CoP trajectory frequency components, sensory inputs, reaction time, motor functions, and Fall-related Concerns (FrC). METHODS The study includes 45 older adults aged [Formula: see text] years who were assessed for sensory and motor functions. FrC and postural control in a quiet stance with open and closed eyes on stable and unstable surfaces. A Discrete Wavelet Transform (DWT) was used to detect features in frequency scales, followed by the K-means algorithm to detect different clusters. The multinomial logistic model was used to identify and predict the association of each group with the sensorimotor tests and FrC. RESULTS The study results showed that by DWT, three distinct groups of subjects could be revealed. Group 2 exhibited the broadest use of frequency scales, less decline in sensorimotor functions, and lowest FrC. The study also found that a decline in sensorimotor functions and fall-related concern may cause individuals to rely on either very low-frequency scales (group 1) or higher-frequency scales (group 3) and that those who use lower-frequency scales (group 1) can manage their balance more successfully than group 3. CONCLUSIONS Our study provides a new, cost-effective method for detecting balance impairments in older adults. This method can be used to identify people at risk and develop interventions and rehabilitation strategies to prevent falls in this population.
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Affiliation(s)
- Hedyeh Jafari
- Department of Computer Science, Electrical and Space Engineering, Luleå University of Technology, Luleå, Sweden.
| | - Thomas Gustafsson
- Department of Computer Science, Electrical and Space Engineering, Luleå University of Technology, Luleå, Sweden
| | - Lars Nyberg
- Department of Health, Education and Technology, Luleå University of Technology, Luleå, Sweden
| | - Ulrik Röijezon
- Department of Health, Education and Technology, Luleå University of Technology, Luleå, Sweden
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Guo P, Wang D, Li Y, Wang R, Xu H, Han J, Lyu J. Do visual and step height factors cause imbalance during bipedal and unipedal stances? A plantar pressure perspective. Front Bioeng Biotechnol 2023; 11:1253056. [PMID: 37662431 PMCID: PMC10470124 DOI: 10.3389/fbioe.2023.1253056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Objective: The plantar pressure analysis technique was used to explore the static balance ability and stability of healthy adult males under the influence of visual and step height factors during bipedal and unipedal stances. Methods: Thirty healthy adult males volunteered for the study. Experiments used the F-scan plantar pressure analysis insoles to carry out with eyes open (EO) and eyes closed (EC) at four different step heights. The plantar pressure data were recorded for 10 s and pre-processed to derive kinematic and dynamic parameters. Results: For unipedal stance, most of kinematic parameters of the subjects' right and left feet were significantly greater when the eyes were closed compared to the EO condition and increased with step height. The differences in toe load between right and left feet, open and closed eyes were extremely statistically significant (p < 0.001). The differences in midfoot load between the EO and EC conditions were statistically significant (p = 0.024) and extremely statistically significant between the right and left feet (p < 0.001). The difference in rearfoot load between EO and EC conditions was extremely statistically significant (p < 0.001) and statistically significant (p = 0.002) between the right and left feet. For bipedal stance, most of kinematic parameters of the subjects' EO and EC conditions were statistically significant between the right and left feet and increased with step height. The overall load's difference between EO and EC states was statistically significant (p = 0.003) for both feet. The overall load's difference between the right and left feet was extremely statistically significant (p < 0.001) in the EC state. The differences between the right and left feet of the forefoot and rearfoot load with EO and EC suggested that the right foot had a smaller forefoot load, but a larger rearfoot load than the left foot (p < 0.001). The differences between the forefoot and rearfoot load of the subjects' both feet with EO and EC were extremely statistically significant (p < 0.001). Conclusion: Both visual input and step height factors, even the dominant foot, act on kinematic and dynamic parameters that affect the maintenance of static balance ability.
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Affiliation(s)
- Panjing Guo
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Duoduo Wang
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Yumin Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Ruiqin Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Haoran Xu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Jia Han
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Jie Lyu
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai, China
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Smith DL, Walsh MS. Relationship between backpack load location, sex, anthropometric and body composition factors with postural sway in healthy young adults. THE JOURNAL OF THE CANADIAN CHIROPRACTIC ASSOCIATION 2023; 67:117-126. [PMID: 37840582 PMCID: PMC10575324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Objective Evaluate the effect of backpack load location on postural sway and correlate sway path length (PL) to anthropometrics and body composition. Methods Fifteen participants aged 18-25 stood on a force plate with backpack load located high (LH), low (LL) or without backpack (NL). Body composition and anthropometric variables were correlated to PL. Results Load increased PL, 95% confidence ellipse, and mean velocity while it reduced mediolateral SampEn (p<0.05). Females had increased mean velocity and PL of sway (p<0.05). Larger phase angles correlated with reduced PL under NL. Taller individuals correlated with reduced PL under LL. Greater mass correlated with reduced PL under LH. Conclusions Load carriage regardless of load location increased postural sway metrics except mediolateral SampEn. Females had greater PL and mean velocity compared to males. Select anthropometric and body composition variables correlated with postural sway under different load conditions.
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Affiliation(s)
- Dean L Smith
- Miami University, Oxford, Ohio
- Essence of Wellness Chiropractic Center, Eaton, Ohio
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Viseu JP, Yiou E, Morin PO, Olivier A. Sport dependent effects on the sensory control of balance during upright posture: a comparison between professional horseback riders, judokas and non-athletes. Front Hum Neurosci 2023; 17:1213385. [PMID: 37584030 PMCID: PMC10423814 DOI: 10.3389/fnhum.2023.1213385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/11/2023] [Indexed: 08/17/2023] Open
Abstract
Introduction Compared to judokas (JU) and non-athletes (NA), horseback riders (HR) may develop specific changes in their sensory control of balance. Methods Thirty-four international-level JU, twenty-seven international-level HR and twenty-one NA participated. Participants stood upright on a plateform (static condition) or on a seesaw device with an instability along the mediolateral (ML) or the anteroposterior (AP) direction (dynamic conditions). These conditions were carried out with eyes opened (EO) or closed (EC), and with (wF) or without a foam (nF). Experimental variables included conventional (linear), non-linear center-of-pressure (COP) parameters, Romberg Quotient (RQ) and Plantar Quotient (PQ). Results Group effects. COP Surface (COPS) and standard deviation of COP along AP (SDY) were lower in HR than in JU in Static. SD Y was lower in HR than in JU in Dynamic AP. COP velocity (COPV) was lower in both HR and JU than in NA in Static and Dynamic. Sample entropy along AP and ML (SampEnY and SampEnX) were higher in HR than in JU in Static. SampEnY was higher in HR than in JU in Dynamic ML. Sensory effects. In EC, COPV was lower in JU than in NA in Dynamic AP, and lower in JU than in both HR and NA in Dynamic ML. In EO, COPV was lower in both JU and HR than in NA in Dynamic ML. RQ applied to COPS was lower in JU than in both HR and NA in Dynamic AP, and lower in JU than in HR in Dynamic ML. RQ applied to COPV was lower in JU than in both HR and NA in Static and Dynamic. PQ applied to COPS was higher in JU than in both HR and NA in Dynamic ML. Conclusion Results showed that the effects of sport expertise on postural control could only be revealed with specific COP variables and were directionally oriented and sport-dependant. HR seem to rely more on vision than JU, thus revealing that the contribution of the sensory inputs to balance control is also sport-dependent. Results open up new knowledge on the specificity of sport practice on multisensory balance information during upright posture.
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Affiliation(s)
- Jean-Philippe Viseu
- CIAMS, Université Paris-Saclay, Orsay, France
- CIAMS, Université d’Orléans, Orléans, France
| | - Eric Yiou
- CIAMS, Université Paris-Saclay, Orsay, France
- CIAMS, Université d’Orléans, Orléans, France
| | | | - Agnès Olivier
- CIAMS, Université Paris-Saclay, Orsay, France
- CIAMS, Université d’Orléans, Orléans, France
- Institut Français du Cheval et de l’Equitation, Plateau technique de Saumur, Saumur, France
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Rizzato A, Bozzato M, Zullo G, Paoli A, Marcolin G. Center of Pressure Behavior in Response to Unexpected Base of Support Shifting: A New Objective Tool for Dynamic Balance Assessment. SENSORS (BASEL, SWITZERLAND) 2023; 23:6203. [PMID: 37448051 PMCID: PMC10347143 DOI: 10.3390/s23136203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/26/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023]
Abstract
The translation of the base of support represents a promising approach for the objective assessment of dynamic balance control. Therefore, this study aimed to present a servo-controlled, electrically driven movable plate and a new set of parameters based on the center-of-pressure (CoP) trajectory. Twenty subjects were assessed on a force platform screwed over a movable plate that could combine the following settings: direction (forward (FW) and backward (BW)), displacement (25 mm, 50 mm, and 100 mm), and ramp rate (100 mm/s and 200 mm/s). The subjects underwent two sets of 12 trials randomly combining the plate settings. From the CoP trajectory of the 2.5 s time window after the perturbation, the 95% confidence-interval ellipse (Area95) and the CoP mean velocity (Unit Path) were calculated. Within the same time window, the first peak (FP), the maximal oscillations (ΔCoPMax), and the standard deviation (PPV) of the CoP anterior-posterior trajectory were calculated. The plate direction (p < 0.01), ramp rate (p < 0.001), and displacement (p < 0.01) affected the Area95, FP, and ΔCoPMax, while the Unit Path and PPV were influenced only by the ramp rate (p < 0.001) and displacement (p < 0.001). The servo-controlled, electrically driven movable plate and the CoP-related parameters presented in this study represent a new promising objective tool for dynamic balance assessment.
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Affiliation(s)
- Alex Rizzato
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy; (A.R.); (M.B.); (A.P.)
| | - Matteo Bozzato
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy; (A.R.); (M.B.); (A.P.)
| | - Giuseppe Zullo
- Department of Industrial Engineering, University of Padova, 35131 Padua, Italy;
| | - Antonio Paoli
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy; (A.R.); (M.B.); (A.P.)
| | - Giuseppe Marcolin
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy; (A.R.); (M.B.); (A.P.)
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Kia K, Kincl L, Chan A, Kim JH. A fishermen-developed intervention reduced musculoskeletal load associated with commercial Dungeness crab harvesting. APPLIED ERGONOMICS 2023; 110:104016. [PMID: 36989738 DOI: 10.1016/j.apergo.2023.104016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 03/09/2023] [Accepted: 03/12/2023] [Indexed: 06/19/2023]
Abstract
This study characterized physical risk factors associated with injuries during a Dungeness crab harvesting task and evaluated the efficacy of a fishermen-developed ergonomic control (banger bar) in mitigating physical risk factors, including biomechanical loads in the low back, shoulders, and upper extremities, and postural instability. In a repeated-measures laboratory study, 25 healthy male participants performed manual crab harvesting tasks in five conditions: without any banger bar (control) and with 4 bars of differing heights or designs. The results showed that the ergonomic control reduced trunk and shoulder angles, L5/S1, and shoulder moments; muscle activities in low back, shoulders, and upper extremities; perceived exertion ratings; and postural sway measures. Moreover, these measures were lowest when the bar height was at 60 cm, indicating that the banger bar can reduce the risk of musculoskeletal injuries and postural instability, and that bar height is an important factor affecting these injury risk measures.
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Affiliation(s)
- Kiana Kia
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Laurel Kincl
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Allen Chan
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Jeong Ho Kim
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA.
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Terry ME, Shulman D, Vallis LA. What Is the Role of Sustained Visual Attention in the Maintenance of Postural Control in Young Adults? Exp Psychol 2023; 70:232-240. [PMID: 37946454 DOI: 10.1027/1618-3169/a000592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Dual tasks requiring sustained visual attention and upright stance are common, yet their impact on standing balance is not well understood. We investigated the role of visual attention in the maintenance of postural control, using the multiple-object tracking (MOT) task. Healthy young adults (n = 12) performed the MOT task at three object movement speeds while seated or standing. MOT performance was assessed using tracking capacity (k). Metrics calculated to assess mediolateral (ML) and anterior-posterior (AP) postural control included: maximum difference between CoM and CoP position (CoM-CoP Max), root mean square distance for center of pressure and center of mass position (CoP and CoM RMS distance), and correlation between CoM and CoP time series signals (CoM/CoP correlation). As predicted, k decreased significantly as object movement speed increased for both standing and seated conditions. Object movement speed also significantly affected AP CoM-CoP Max in seated conditions (p = .021) and AP CoM/CoP correlation for standing conditions (p = .002). The results demonstrate utility of the MOT task in understanding the role of visual attention in postural control, even though healthy young adults were able to compensate for the addition of a sustained visual attention task, with minimal deficits to postural control.
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Affiliation(s)
- Mallory E Terry
- Department of Psychology, University of Guelph, Ontario, Canada
| | - David Shulman
- Department of Human Health and Nutritional Sciences, University of Guelph, Ontario, Canada
| | - Lori Ann Vallis
- Department of Human Health and Nutritional Sciences, University of Guelph, Ontario, Canada
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Brito TSS, Moraes R, de Souza LAPS, Luvizutto GJ. Effect of the haptic anchors during balancing and walking tasks in older adults: A systematic review. J Bodyw Mov Ther 2023; 35:69-74. [PMID: 37330805 DOI: 10.1016/j.jbmt.2023.04.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/12/2023] [Accepted: 04/11/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND Older adults are benefited from the continuous tactile information to enhance postural control. Therefore, the aim was to evaluate the effect of the haptic anchors during balancing and walking tasks in older adults. METHODS The search strategy (up to January 2023) was based on the PICOT (older adults; anchor system during balance and walking tasks; any control group; postural control measurements; short and/or long-term effect). Two pairs of reviewers independently examined all titles and abstracts for eligibility. The reviewers independently extracted data from the included studies, assessed the risk of bias, and certainty of the evidence. RESULTS Six studies were included in the qualitative synthesis. All studies used a 125-g haptic anchor system. Four studies used anchors when standing in a semi-tandem position, two in tandem walking on different surfaces, and one in an upright position after plantar flexor muscle fatigue. Two studies showed that the anchor system reduced body sway. One study showed that the ellipse area was significantly lower for the 50% group (reduced frequency) in the post-practice phase. One study showed that the reduction in the ellipse area was independent of the fatigue condition. Two studies observed reduced trunk acceleration in the frontal plane during tandem waking tasks. The studies had low to moderate certainty of evidence. CONCLUSION Haptic anchors can reduce postural sway during balance and walking tasks in older adults. Also, positive effects were seen during the delayed post-practice phase after the removal of anchors only in individuals who used a reduced anchor frequency.
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Affiliation(s)
| | - Renato Moraes
- School of Physical Education and Sport of Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Gustavo José Luvizutto
- Department of Applied Physical Therapy, Institute of Health Sciences, Universidade Federal do Triângulo Mineiro (UFTM), Brazil.
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Borji R, Laatar R, Zarrouk N, Sahli S, Rebai H. Cognitive-motor interference during standing stance across different postural and cognitive tasks in individuals with Down syndrome. RESEARCH IN DEVELOPMENTAL DISABILITIES 2023; 139:104562. [PMID: 37379660 DOI: 10.1016/j.ridd.2023.104562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 06/10/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND Individuals with Down syndrome (DS) presented both cognitive and motor impairments that could influence each other. Therefore, exploring cognitive-motor interference during standing stance is relevant in this population. AIMS This study explored the dual task (DT) effects on postural balance during diverse cognitive tasks and sensory manipulations in individuals with DS, compared to those with typical development (TD). METHODS AND PROCEDURES Fifteen adolescents with DS (age = 14.26 ± 1.27 years; height = 1.50 ± 0.02; weight = 46.46 ± 4.03 kg; BMI =20.54 ± 1.51 kg/m2) and thirteen with TD (age = 14.07 ± 1.11 years; height = 1.50 ± 0.05; weight = 44.92 ± 4.15 kg; BMI =19.77 ± 0.94 kg/m2) participated in this study. Postural and cognitive performances for the selective span task (SST) and the verbal fluency (VF) were recorded during single task (ST) and DT conditions. Postural conditions were: firm eyes open (firm-EO), firm eyes closed (firm-EC) and foam-EO. Motor and cognitive DT costs (DTC) were calculated and analyzed across these different cognitive and postural conditions. OUTCOMES AND RESULTS In the DS group, postural performance was significantly (p < 0.001) altered during all DT conditions, compared to the ST situation. Moreover, the motor DTC was significantly (p < 0.001) higher while performing the VF task than the SST. However, in the control group, postural performance was significantly (p < 0.001) impaired only while performing the VF test in the DT-Firm EO condition. For both groups, cognitive performances were significantly (p < 0.05) altered in all DT conditions compared to the ST one. CONCLUSION Adolescents with DS are more prone to DT effects on postural balance than those with TD.
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Affiliation(s)
- Rihab Borji
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia.
| | - Rabeb Laatar
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Nidhal Zarrouk
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Sonia Sahli
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Haithem Rebai
- Laboratory 'Optimisation de la Performance Sportive, Centre National de Médecine et Sciences du Sport (CNMSS)', Tunis, Tunisia
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Rizzato A, Benazzato M, Cognolato M, Grigoletto D, Paoli A, Marcolin G. Different neuromuscular control mechanisms regulate static and dynamic balance: A center-of-pressure analysis in young adults. Hum Mov Sci 2023; 90:103120. [PMID: 37364344 DOI: 10.1016/j.humov.2023.103120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 05/29/2023] [Accepted: 06/15/2023] [Indexed: 06/28/2023]
Abstract
The analysis of the center of pressure (CoP) trajectory, derived from force platforms, is a widely accepted measure to investigate postural balance control. The CoP trajectory could be analyzed as a physiological time-series through a general stochastic modeling framework (i.e., Stabilogram Diffusion Analysis (SDA)). Critical point divides short-term from long-term regions and diffusion coefficients reflect the level of stochastic activity of the CoP. Sample Entropy (SampEn) allows quantifying the CoP complexity in terms of regularity. Thus, this study aimed to understand whether SDA and SampEn could discriminate the neuromuscular control mechanisms underpinning static and dynamic postural tasks. Static balance control and its relationship with dynamic balance control were investigated through the CoP velocity (Mean Velocity) and the area of the 95th percentile ellipse (Area95). Balance was assessed in 15 subjects (age: 23.13 ± 0.99 years; M = 9) over a force platform under two conditions: static (ST) and dynamic, both in anterior-posterior (DAP) and medio-lateral (DML) directions. During the DAP and DML, subjects stood on an unstable board positioned over a force platform. Short-term SDA diffusion coefficients and critical points were lower in ST than in DAP and DML (p < 0.05). SampEn values resulted greater in ST than in DAP and DML (p < 0.001). As expected, lower values of Area95 (p < 0.001) and Mean Velocity (p < 0.001) were detected in the easiest condition, the ST, compared to DAP and DML. No significant correlations between static and dynamic balance performances were detected. Moreover, differences in the diffusion coefficients were detected comparing DAP and DML (p < 0.05). In the anterior-posterior direction, the critical point occurred at relatively small intervals in DML compared to DAP (p < 0.001) and ST (p < 0.001). In the medio-lateral direction, the critical point differed only between DAP and DML (p < 0.05). Overall, SDA analysis pointed out a less tightly regulated neuromuscular control system in the dynamic tasks, with closed-loop corrective feedback mechanisms called into play at different time intervals in the three conditions. SampEn results reflected more attention and, thus, less automatic control mechanisms in the dynamic conditions, particularly in the medio-lateral task. The different neuromuscular control mechanisms that emerged in the static and dynamic balance tasks encourage using both static and dynamic tests for a more comprehensive balance performance assessment.
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Affiliation(s)
- Alex Rizzato
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | | | - Matteo Cognolato
- Institute of Information Systems, University of Applied Sciences Western Switzerland (HES-SO), Sierre, Switzerland
| | - Davide Grigoletto
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Antonio Paoli
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Giuseppe Marcolin
- Department of Biomedical Sciences, University of Padova, Padova, Italy.
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Grasso C, Barresi M, Tramonti Fantozzi MP, Lazzerini F, Bruschini L, Berrettini S, Andre P, Dolciotti C, De Cicco V, De Cicco D, d'Ascanio P, Orsini P, Montanari F, Faraguna U, Manzoni D. Effects of a short period of postural training on postural stability and vestibulospinal reflexes. PLoS One 2023; 18:e0287123. [PMID: 37307276 DOI: 10.1371/journal.pone.0287123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 05/31/2023] [Indexed: 06/14/2023] Open
Abstract
The effects of postural training on postural stability and vestibulospinal reflexes (VSRs) were investigated in normal subjects. A period (23 minutes) of repeated episodes (n = 10, 50 seconds) of unipedal stance elicited a progressive reduction of the area covered by centre of pressure (CoP) displacement, of average CoP displacement along the X and Y axes and of CoP velocity observed in this challenging postural task. All these changes were correlated to each other with the only exception of those in X and Y CoP displacement. Moreover, they were larger in the subjects showing higher initial instability in unipedal stance, suggesting that they were triggered by the modulation of sensory afferents signalling body sway. No changes in bipedal stance occurred soon and 1 hour after this period of postural training, while a reduction of CoP displacement was apparent after 24 hours, possibly due to a beneficial effect of overnight sleep on postural learning. The same period of postural training also reduced the CoP displacement elicited by electrical vestibular stimulation (EVS) along the X axis up to 24 hours following the training end. No significant changes in postural parameters of bipedal stance and VSRs could be observed in control experiments where subjects were tested at identical time points without performing the postural training. Therefore, postural training led to a stricter control of CoP displacement, possibly acting through the cerebellum by enhancing feedforward mechanisms of postural stability and by depressing the VSR, the most important reflex mechanism involved in balance maintenance under challenging conditions.
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Affiliation(s)
- Claudia Grasso
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Massimo Barresi
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | | | - Francesco Lazzerini
- Department of Surgical, Medical, Molecular Pathology and Critical Cares, University of Pisa, Pisa, Italy
| | - Luca Bruschini
- Department of Surgical, Medical, Molecular Pathology and Critical Cares, University of Pisa, Pisa, Italy
| | - Stefano Berrettini
- Department of Surgical, Medical, Molecular Pathology and Critical Cares, University of Pisa, Pisa, Italy
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
| | - Paolo Andre
- Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - Cristina Dolciotti
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Vincenzo De Cicco
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Davide De Cicco
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Naples, Italy
| | - Paola d'Ascanio
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Paolo Orsini
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Francesco Montanari
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Ugo Faraguna
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, Pisa, Italy
| | - Diego Manzoni
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
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Soares de Almeida Ciquinato D, Lozza de Moraes Marchiori L, Aparecida Bazoni J, Eumann Mesas A, Alexandre da Silva R. Association between Objective and Subjective Sleep Parameters with Postural Control Responses among Brazilian Schoolteachers. Sleep Sci 2023; 16:131-138. [PMID: 37425976 PMCID: PMC10325837 DOI: 10.1055/s-0043-1770800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2023] Open
Abstract
Objective To investigate the impact of sleep quality on postural control in teachers. Methods Cross-sectional study with 41 schoolteachers (mean age 45.7 ± 10.4 years). Sleep quality was assessed in two ways: objectively (through actigraphy), and subjectively (through the Pittsburgh Sleep Quality Index). Postural control was assessed in an upright posture during 3 trials of 30s (bipedal and semitandem stances in rigid and foam surfaces with eyes open) with a period of rest across trials, on a force platform, based in the center of pressure measurements in the anteroposterior and mediolateral directions. Results The prevalence of poor sleep quality in this study sample was 53.7% ( n = 22). No differences were found between Poor and Good sleep in the posturographic parameters (p > 0.05). Although, there was moderate correlation between postural control in the semitandem stance and subjective sleep efficiency for center of pressure area (rs = -0.424; p = 0.006) and amplitude in anteroposterior direction (rs = -0.386; p = 0.013). Discussion There is correlation between poor sleep quality and postural control in schoolteachers, as sleep efficiency decreases, postural sway increases. Poor sleep quality and postural control were investigated in other populations, but not in teachers. Several factors such as work overload, insufficient time for physical activities, among others, can contribute to a worse perception of sleep quality, as well as deterioration in postural control. Further studies with larger populations are needed to confirm these findings.
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Affiliation(s)
- Daiane Soares de Almeida Ciquinato
- Health Science Department, Doctoral and Master's Programs in Rehabilitation Sciences at UEL/UNOPAR, Pitagoras University-UNOPAR, Londrina, Parana, Brazil
| | - Luciana Lozza de Moraes Marchiori
- Health Science Department, Doctoral and Master's Programs in Rehabilitation Sciences at UEL/UNOPAR, Pitagoras University-UNOPAR, Londrina, Parana, Brazil
- Health Department, Interdisciplinary Laboratory for Intervention in Health Promotion, Cesumar University (Unicesumar), Maringa, Parana, Brazil
| | - Jessica Aparecida Bazoni
- Health Science Department, Doctoral and Master's Programs in Rehabilitation Sciences at UEL/UNOPAR, Pitagoras University-UNOPAR, Londrina, Parana, Brazil
| | - Arthur Eumann Mesas
- Public Health Department, Postgraduated Program in Public Health, State University of Londrina (UEL), Londrina, Parana, Brazil
| | - Rubens Alexandre da Silva
- Health Science Department, Doctoral and Master's Programs in Rehabilitation Sciences at UEL/UNOPAR, Pitagoras University-UNOPAR, Londrina, Parana, Brazil
- Department of Health Sciences, Centre intersectoriel en santé durable, Laboratoire de recherche BioNR, Université du Québec à Chicoutimi (UQAC), Cupht, Saguenay, Québec, Canada
- Specialized Geriatric Services, Hôpital de La Baie, Research Centre on Health, CIUSSS du Saguenay-Lac-Saint-Jean, Chicoutimi, Quebec, Canada
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48
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Vargas Matamala M, Tapia C, Salvador Sagüez F, Guerrero-Henriquez J. Postural performance assessment in aging people with diabetes and diabetic peripheral neuropathy using a Wii balance board. Disabil Rehabil 2023; 45:1202-1207. [PMID: 35369833 DOI: 10.1080/09638288.2022.2055168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
PURPOSE To determine the effect of sensory perturbations on static postural control in older people with type 2 diabetes mellitus by comparing postural outcomes of people with and without diabetic neuropathy using a Wii Balance Board (WBB). MATERIALS AND METHODS Static postural balance assessments were performed in 31 participants: nine with type 2 diabetes mellitus; 12 with diabetic neuropathy; and 10 non-diabetic controls. Participants stood on the WBB under sensory perturbations (visual and proprioceptive). Body balance was analysed using centre of pressure ellipse area, mean velocity, and sample entropy. The effects of within-participant factors, sensory perturbations and the between-participants factor 'group' on outcomes were analysed using a multivariate analysis of variance model. RESULTS Type 2 diabetes mellitus participants with and without neuropathy showed altered postural performance under sensory perturbations compared to non-diabetic participants. Moreover, participants with diabetic neuropathy showed impaired postural performance when one perceptual system was disturbed. Finally, participants with type 2 diabetes mellitus without neuropathy decreased their postural performance when both sensory disturbances were present. CONCLUSIONS The Wii Balance Board can be a useful alternative for balance impairment screening related to diabetic neuropathy and contribute as an affordable source of insight in early interventions in integral diabetes care.Implications to rehabilitationOlder people with diabetic peripheral neuropathy depend on visual and somatosensory cues to keep their static postural balance.Static balance assessment using the Wii Balance Board allows the identification of alterations in postural performance in participants with diabetes.This low-cost method used can be considered as a complement to integral diabetes care.
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Affiliation(s)
- Martin Vargas Matamala
- Department of Rehabilitation Sciences and Human Movement, University of Antofagasta, Antofagasta, Chile
| | - Claudio Tapia
- Laboratory of Clinical Biomechanics, Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago, Chile
| | | | - Juan Guerrero-Henriquez
- Department of Rehabilitation Sciences and Human Movement, University of Antofagasta, Antofagasta, Chile
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49
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Promsri A, Bangkomdet K, Jindatham I, Jenchang T. Leg Dominance—Surface Stability Interaction: Effects on Postural Control Assessed by Smartphone-Based Accelerometry. Sports (Basel) 2023; 11:sports11040075. [PMID: 37104149 PMCID: PMC10145104 DOI: 10.3390/sports11040075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 03/19/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
The preferential use of one leg over another in performing lower-limb motor tasks (i.e., leg dominance) is considered to be one of the internal risk factors for sports-related lower-limb injuries. The current study aimed to investigate the effects of leg dominance on postural control during unipedal balancing on three different support surfaces with increasing levels of instability: a firm surface, a foam pad, and a multiaxial balance board. In addition, the interaction effect between leg dominance and surface stability was also tested. To this end, a tri-axial accelerometer-based smartphone sensor was placed over the lumbar spine (L5) of 22 young adults (21.5 ± 0.6 years) to record postural accelerations. Sample entropy (SampEn) was applied to acceleration data as a measure of postural sway regularity (i.e., postural control complexity). The results show that leg dominance (p < 0.001) and interaction (p < 0.001) effects emerge in all acceleration directions. Specifically, balancing on the dominant (kicking) leg shows more irregular postural acceleration fluctuations (high SampEn), reflecting a higher postural control efficiency or automaticity than balancing on the non-dominant leg. However, the interaction effects suggest that unipedal balancing training on unstable surfaces is recommended to reduce interlimb differences in neuromuscular control for injury prevention and rehabilitation.
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Affiliation(s)
- Arunee Promsri
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand
- Unit of Excellence in Neuromechanics, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand
- Correspondence: ; Tel.: +66-54-466-666 (ext. 3817)
| | - Kotchakorn Bangkomdet
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand
| | - Issariya Jindatham
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand
| | - Thananya Jenchang
- Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand
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50
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Temporiti F, Adamo P, Mandelli A, Buccolini F, Viola E, Aguzzi D, Gatti R, Barajon I. Test-retest reliability of a photographic marker-based system for postural examination. Technol Health Care 2023:THC220155. [PMID: 36970916 DOI: 10.3233/thc-220155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
BACKGROUND The BHOHB system (Bhohb S.r.l., Italy) is a portable non-invasive photographic marker-based device for postural examination. OBJECTIVE To assess the test-retest reliability of the BHOHB system and compare its reliability with an optoelectronic system (SMART-DX 700, BTS, Italy). METHODS Thirty volunteers were instructed to stand upright with five markers on the spinous processes of C7, T6, T12, L3 and S1 vertebrae to define the dorsal kyphosis and lumbar lordosis (sagittal plane) angles. Three markers were placed on the great trochanter, apex of iliac crest and lateral condyle of the femur to detect pelvic tilt. Finally, to define angles between the acromion and the spinous processes (frontal plane), two markers were placed on the right and left acromion. Postural angles were recoded simultaneously with BHOHB and optoelectronic systems during two consecutive recording sessions. RESULTS The BHOHB system revealed excellent reliability for all the angles (ICCs: 0.92-0.99, SEM: 0.78∘-3.33∘) as well as a shorter processing time compared to the optoelectronic system. Excellent reliability was also found for all the angles detected through the optoelectronic system (ICCs: 0.91-0.99, SEM: 0.84∘-2.80∘). CONCLUSION The BHOHB system resulted as a reliable non-invasive and user-friendly device to monitor spinal posture, especially in subjects requiring repeat examinations.
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Affiliation(s)
- Federico Temporiti
- Physiotherapy Unit, Humanitas Clinical and Research Center - IRCCS, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Paola Adamo
- Physiotherapy Unit, Humanitas Clinical and Research Center - IRCCS, Milan, Italy
| | - Andrea Mandelli
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | | | | | | | - Roberto Gatti
- Physiotherapy Unit, Humanitas Clinical and Research Center - IRCCS, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Isabella Barajon
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
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