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Muehlbauer T, Eckardt L, Höptner L, Hill MW. Effect of low versus high balance training complexity on balance performance in male adolescents. BMC Res Notes 2024; 17:149. [PMID: 38807232 PMCID: PMC11135006 DOI: 10.1186/s13104-024-06811-x] [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: 06/21/2023] [Accepted: 05/20/2024] [Indexed: 05/30/2024] Open
Abstract
OBJECTIVE The current study aimed to determine the effects of low (i.e., balance task only) versus high (i.e., balance task combined with an additional motor task like dribbling a basketball) balance training complexity (6 weeks of training consisting of 2 × 30 min balance exercises per week) on measures of static and dynamic balance in 44 healthy male adolescents (mean age: 13.3 ± 1.6 years). RESULTS Irrespective of balance training complexity, significant medium- to large-sized pretest to posttest improvements were detected for static (i.e., One-Legged Stance test, stance time [s], 0.001 < p ≤ 0.008) and dynamic (i.e., 3-m Beam Walking Backward test, steps [n], 0.001 < p ≤ 0.002; Y-Balance-Test-Lower-Quarter, reach distance [cm], 0.001 < p ≤ 0.003) balance performance. Further, in all but one comparison (i.e., stance time with eyes opened on foam ground) no group × test interactions were found. These results imply that balance training is effective to improve static and dynamic measures of balance in healthy male adolescents, but the effectiveness seems unaffected by the applied level of balance training complexity.
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Affiliation(s)
- Thomas Muehlbauer
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Essen, Germany.
| | - Lucas Eckardt
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Essen, Germany
| | - Lukas Höptner
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Essen, Germany
| | - Mathew W Hill
- Centre for Physical Activity, Sport and Exercise Sciences, Coventry University, Coventry, UK
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Muehlbauer T, Giesen M, Roß N, Schedler S, Hill MW. Time-course of balance training-related changes on static and dynamic balance performance in healthy children. BMC Res Notes 2024; 17:81. [PMID: 38504326 PMCID: PMC10949652 DOI: 10.1186/s13104-024-06745-4] [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: 07/28/2023] [Accepted: 03/08/2024] [Indexed: 03/21/2024] Open
Abstract
OBJECTIVE In healthy children, there is evidence of improvements in static and dynamic balance performance following balance training. However, the time-course of balance training-related changes is unknown. Thus, we determined the effects of balance training after one, three, and six weeks of exercise on measures of static and dynamic balance in healthy children (N = 44, 20 females, mean age: 9.6 ± 0.5 years, age range: 9-11 years). RESULTS Participants in the intervention group (2 × 25 min balance exercises per week) compared to those in the control group (2 × 25 min track and field exercises and soccer practice per week) significantly improved their static (i.e., by measuring stance time in the One-Legged Stance test) and dynamic (i.e., by counting step number in the 3-m Beam Walking Backward test) balance performance. Late effects (after 6 weeks) occurred most frequently followed by mid-term effects (after 3 weeks) and then early effects (after 1 week). These findings imply that balance training is effective to improve static and dynamic measures of balance in healthy children, whereby the effectiveness increases with increasing training period. TRIAL REGISTRATION Current Controlled Trials ISRCTN16518737 (retrospectively registered at 24th August, 2023).
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Affiliation(s)
- Thomas Muehlbauer
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Gladbecker Str. 182, 45141, Essen, Germany.
| | - Michael Giesen
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Gladbecker Str. 182, 45141, Essen, Germany
| | - Nele Roß
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Gladbecker Str. 182, 45141, Essen, Germany
| | - Simon Schedler
- Division of Movement and Training Sciences, Biomechanics of Sport, University of Duisburg- Essen, Gladbecker Str. 182, 45141, Essen, Germany
| | - Mathew W Hill
- Centre for Physical Activity, Sport and Exercise Sciences, Coventry University, Coventry, UK
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Bakker LBM, Lamoth CJC, Vetrovsky T, Gruber M, Caljouw SR, Nieboer W, Taube W, van Dieën JH, Granacher U, Hortobágyi T. Neural Correlates of Balance Skill Learning in Young and Older Individuals: A Systematic Review and Meta-analysis. SPORTS MEDICINE - OPEN 2024; 10:3. [PMID: 38185708 PMCID: PMC10772137 DOI: 10.1186/s40798-023-00668-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 12/16/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Despite the increasing number of research studies examining the effects of age on the control of posture, the number of annual fall-related injuries and deaths continues to increase. A better understanding of how old age affects the neural mechanisms of postural control and how countermeasures such as balance training could improve the neural control of posture to reduce falls in older individuals is therefore necessary. The aim of this review is to determine the effects of age on the neural correlates of balance skill learning measured during static (standing) and dynamic (walking) balance tasks in healthy individuals. METHODS We determined the effects of acute (1-3 sessions) and chronic (> 3 sessions) balance skill training on balance in the trained and in untrained, transfer balance tasks through a systematic review and quantified these effects by robust variance estimation meta-analysis in combination with meta-regression. We systematically searched PubMed, Web of Science, and Cochrane databases. Balance performance and neural plasticity outcomes were extracted and included in the systematic synthesis and meta-analysis. RESULTS Forty-two studies (n = 622 young, n = 699 older individuals) were included in the systematic synthesis. Seventeen studies with 508 in-analysis participants were eligible for a meta-analysis. The overall analysis revealed that acute and chronic balance training had a large effect on the neural correlates of balance skill learning in the two age groups combined (g = 0.79, p < 0.01). Both age groups similarly improved balance skill performance in 1-3 training sessions and showed little further improvements with additional sessions. Improvements in balance performance mainly occurred in the trained and less so in the non-trained (i.e., transfer) balance tasks. The systematic synthesis and meta-analysis suggested little correspondence between improved balance skills and changes in spinal, cortical, and corticospinal excitability measures in the two age groups and between the time courses of changes in balance skills and neural correlates. CONCLUSIONS Balance skill learning and the accompanying neural adaptations occur rapidly and independently of age with little to no training dose-dependence or correspondence between behavioral and neural adaptations. Of the five types of neural correlates examined, changes in only spinal excitability seemed to differ between age groups. However, age or training dose in terms of duration did not moderate the effects of balance training on the changes in any of the neural correlates. The behavioral and neural mechanisms of strong task-specificity and the time course of skill retention remain unclear and require further studies in young and older individuals. REGISTRATION PROSPERO registration number: CRD42022349573.
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Affiliation(s)
- Lisanne B M Bakker
- Department of Human Movement Sciences, Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9700 AD, Groningen, The Netherlands.
| | - Claudine J C Lamoth
- Department of Human Movement Sciences, Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9700 AD, Groningen, The Netherlands
| | - Tomas Vetrovsky
- Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - Markus Gruber
- Department of Sport Science, Human Performance Research Centre, University of Konstanz, Constance, Germany
| | - Simone R Caljouw
- Department of Human Movement Sciences, Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9700 AD, Groningen, The Netherlands
| | - Ward Nieboer
- Department of Human Movement Sciences, Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9700 AD, Groningen, The Netherlands
| | - Wolfgang Taube
- Department of Neurosciences and Movement Sciences, University of Fribourg, Fribourg, Switzerland
| | - Jaap H van Dieën
- Department of Human Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Urs Granacher
- Department of Sport and Sport Science, Exercise and Human Movement Science, University of Freiburg, Freiburg, Germany
| | - Tibor Hortobágyi
- Department of Human Movement Sciences, Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9700 AD, Groningen, The Netherlands
- Department of Kinesiology, Hungarian University of Sports Science, Budapest, Hungary
- Institute of Sport Sciences and Physical Education, University of Pécs, Pecs, Hungary
- Somogy County Kaposi Mór Teaching Hospital, Kaposvár, Hungary
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Mitrousis I, Bourdas DI, Kounalakis S, Bekris E, Mitrotasios M, Kostopoulos Ν, Ktistakis IE, Zacharakis E. The Effect of a Balance Training Program on the Balance and Technical Skills of Adolescent Soccer Players. J Sports Sci Med 2023; 22:645-657. [PMID: 38045735 PMCID: PMC10690516 DOI: 10.52082/jssm.2023.645] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/25/2023] [Indexed: 12/05/2023]
Abstract
Soccer is a complex sport, and balance appears to play a crucial role in the quality execution of technical skills, which are mostly performed while standing on one foot. Nevertheless, in younger ages, when learning still affects soccer performance, the effect of a balance-training program on the player's balance and technical skills remains unexplored. This research examined the effect of a balance-training program (BTP) on balance and technical skills of adolescent soccer players. Τhe participating volunteers were thirty-two soccer players (12-13 years old with 3.84 ± 0.95 years of practice), randomly separated into two groups: an experimental (EXP, n1 = 17) and a control group (CON, n2 = 15). Both groups were evaluated in static and dynamic balance and in technical skills (dribbling, passing, juggling, and shooting with dominant and non-dominant legs) before (Pre-condition) and after the intervention (Post-condition) which was an eight-week BTP for the EXP group and a placebo-training program for the CON group. Α 2 by 2 (groups×condition) mixed analysis of variance (ANOVA) with repeated measures on the condition factor was used to assess possible differences between groups. A significant groups × condition interaction effect was found in dynamic balance (p = 0.008), static (p = 0.042), and shooting (p = 0.022) with dominant leg performance. The EXP group improved (p = 0.007) its static balance by 37.82% and also significantly improved its dynamic balance and shooting accuracy with dominant leg in Post condition by 24.98% (p = 0.006) and 83.84% (p = 0.006) respectively. No significant improvement of other variables was detected in the EXP group Post condition. Dynamic and static balance, and shooting with dominant leg skills can be improved in adolescent soccer players through a specialized 8-week BTP. Balance-training program may contribute to technical skill improvement in soccer training.
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Affiliation(s)
- Ioannis Mitrousis
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
| | - Dimitrios I Bourdas
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
| | | | - Evangelos Bekris
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
| | - Michael Mitrotasios
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
| | - Νikolaos Kostopoulos
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
| | - Ioannis E Ktistakis
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
| | - Emmanouil Zacharakis
- School of Physical Education and Sports Science, National & Kapodistrian University of Athens, Greece
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Adams M, Gordt-Oesterwind K, Bongartz M, Zimmermann S, Seide S, Braun V, Schwenk M. Effects of Physical Activity Interventions on Strength, Balance and Falls in Middle-Aged Adults: A Systematic Review and Meta-Analysis. SPORTS MEDICINE - OPEN 2023; 9:61. [PMID: 37466877 DOI: 10.1186/s40798-023-00606-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 07/03/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Weak lower body strength and balance impairments are fundamental risk factors for mobility impairments and falls that can be improved by physical activity (PA). Previous meta-analyses have focused on these risk factors in adults aged ≥ 65 years. Yet, the potential of PA for improving these risk factors in middle-aged populations has not been systematically investigated. This systematic review and meta-analysis aim to examine the effect of general and structured PA on lower limb strength, postural balance and falls in middle-aged adults. METHODS A computerized systematic literature search was conducted in the electronic databases MEDLINE, CINAHL, Web of Science and Cochrane Library. PA intervention types were classified according to the ProFaNE taxonomy. Randomized controlled trials exploring the effects of PA on strength (e.g., leg press one-repetition-maximum), balance (e.g., single limb stance) and falls (e.g., fall rates) in adults aged 40-60 years were systematically searched and included in a network analysis. Moderator analyses were performed for specific subgroups (age, sex, low PA). The methodological quality of the included studies was assessed using the Physiotherapy Evidence Database (PEDro) Scale. RESULTS Out of 7170 articles screened, 66 studies (median PEDro score 5) with 3387 participants were included. Strong, significant effects on muscle strength were found for strength (SMD = 1.02), strength-aerobic (SMD = 1.41), strength-endurance (SMD = 0.92) and water-based (SMD = 1.08) training (52 studies, I2 = 79.3%). Strength training (SMD = 1.16), strength-aerobic (SMD = 0.98) and 3D training (SMD = 1.31) improved postural balance (30 studies, I2 = 88.1%). Moderator analyses revealed significant effects of specific intervention types on certain subgroups and subdomains of strength and balance. No studies were found measuring falls. CONCLUSIONS Structured PA interventions in middle-aged adults improve strength and balance outcomes related to functional impairments and falls. Strength training increases both strength and balance and can be recommended to prevent age-related functional decline. However, the interpretability of the results is limited due to considerable heterogeneity and the overall low methodological quality of the included studies. Long-term trials are needed to determine the preventive potential of PA on strength, balance and falls. This meta-analysis may inform guidelines for tailored training during middle age to promote healthy aging. Prospero registration: CRD42020218643.
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Affiliation(s)
- Michael Adams
- Network Aging Research, Heidelberg University, 69115, Heidelberg, Germany.
- Institute of Sports and Sports Sciences, Heidelberg University, 69117, Heidelberg, Germany.
| | - Katharina Gordt-Oesterwind
- Network Aging Research, Heidelberg University, 69115, Heidelberg, Germany
- Institute of Sports and Sports Sciences, Heidelberg University, 69117, Heidelberg, Germany
- Unit Digitale Geriatrie, Geriatric Center of Heidelberg University Hospital, Medical Faculty of Heidelberg University, 69120, Heidelberg, Germany
| | - Martin Bongartz
- Geriatric Center, Heidelberg University Hospital, Agaplesion Bethanien Hospital Heidelberg, 69126, Heidelberg, Germany
| | - Samuel Zimmermann
- Institute of Medical Biometry, Heidelberg University Hospital, 69120, Heidelberg, Germany
| | - Svenja Seide
- Institute of Medical Biometry, Heidelberg University Hospital, 69120, Heidelberg, Germany
| | - Volker Braun
- Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
| | - Michael Schwenk
- Network Aging Research, Heidelberg University, 69115, Heidelberg, Germany
- Institute of Sports and Sports Sciences, Heidelberg University, 69117, Heidelberg, Germany
- Human Performance Research Centre, Department of Sport Science, University of Konstanz, 78464, Constance, Germany
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Popa PȘ, Onișor D, Nechita A, Earar K, Matei MN. Study on the Influence of Regular Physical Activity on Children's Oral Health. CHILDREN (BASEL, SWITZERLAND) 2023; 10:946. [PMID: 37371181 DOI: 10.3390/children10060946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023]
Abstract
The benefits of physical activities conducted systematically on the harmonious development, intellectual performance, and general health of children are unanimously accepted. This study's aim is to determine whether differences in oral health between young athletes and children not engaged in competitive sports are present. A total of 173 children aged between 6 and 17 years, 58 hockey players, 55 football players, and 60 in the control group were divided into groups according to their activity, age, and biological sex and examined for oral hygiene and dental and periodontal health, using clinically determined indices. Statistical analysis showed significant differences between the groups, with lower (better) values for athletes, regardless of age, sex, or activity. Oral hygiene showed the most relevant differences for males aged 14 to 17, as did the index for dental health. Periodontal health, on the other hand, was significantly better for females aged 6 to 13. Based on this data, the beneficial influence of regular physical activity also has an impact on oral health. Identifying the mechanisms behind this needs to be explored in depth and may be a topic for further research.
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Affiliation(s)
- Paul Șerban Popa
- Research Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, Dunărea de Jos University of Galați, 47 Domnească Str., 800181 Galați, Romania
| | - Daniela Onișor
- Research Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, Dunărea de Jos University of Galați, 47 Domnească Str., 800181 Galați, Romania
| | - Aurel Nechita
- Research Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, Dunărea de Jos University of Galați, 47 Domnească Str., 800181 Galați, Romania
| | - Kamel Earar
- Research Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, Dunărea de Jos University of Galați, 47 Domnească Str., 800181 Galați, Romania
| | - Mădălina Nicoleta Matei
- Research Centre in the Medical-Pharmaceutical Field, Faculty of Medicine and Pharmacy, Dunărea de Jos University of Galați, 47 Domnească Str., 800181 Galați, Romania
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Di Corrado D, Francavilla VC, La Paglia R, Parisi MC, Buscemi A, Coco M. Short-Term Effects of Specific Sensorimotor Training on Postural Assessment in Healthy Individuals: A Pilot Study with a Randomized Placebo-Controlled Trial. J Funct Morphol Kinesiol 2023; 8:jfmk8020046. [PMID: 37092378 PMCID: PMC10123614 DOI: 10.3390/jfmk8020046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/10/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023] Open
Abstract
It is well-known that sensorimotor training aims to increase the performance of the sensorimotor system to maintain an upright position. Through the use of a randomized placebo-controlled trial, the specific aim of this study was to investigate the short-term effects of a specific session of sensorimotor training on postural balance, stability and coordination in healthy, recreationally active participants. Ninety subjects were randomly allocated into three groups: experimental (n = 30), placebo (n = 32) and control (n = 28). The experimental group performed a 5 min warm-up, with the sensorimotor training consisting of 60-min specific sensorimotor exercises; the control group was not allowed to perform any sensorimotor training; the placebo group observed a video clip of an individual belonging to the experimental group performing the sensorimotor training accurately. All participants were seen three times per week for 4 weeks. Before and after the entire training, all groups of participants undertook stabilometric parameter assessment. The intervention-mediated sensorimotor training confirmed significant enhancement in the proprioceptive system. Significant improvement in the motor and/or sensory function was observed in the experimental and placebo groups. In conclusion, our findings suggest that specific sensorimotor training performed 3 days per week for 4 weeks could improve postural balance, stability and coordination in healthy individuals.
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Affiliation(s)
- Donatella Di Corrado
- Department of Sport Sciences, Kore University, Cittadella Universitaria, 94100 Enna, Italy
| | | | | | | | - Andrea Buscemi
- Study Center of Italian Osteopathy and Horus Social Cooperative, 95100 Catania, Italy
| | - Marinella Coco
- Department of Education Sciences, University of Catania, 95124 Catania, Italy
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Villarón-Casales C, Aladro-Gonzalvo AR, Gámez-Payá J, Pardo-Ibáñez A, Domínguez-Navarro F, Gallego D, Alarcón-Jimenez J. Static Postural Control during Single-Leg Stance in Endurance, Team and Combat Athletes from the Spanish National Sport Technification Program. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4292. [PMID: 36901298 PMCID: PMC10001565 DOI: 10.3390/ijerph20054292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/22/2023] [Accepted: 02/26/2023] [Indexed: 06/18/2023]
Abstract
In the context of pediatric physical exercise, the analysis of factors affecting postural control (PC) provides insight into the development of sport-specific motor skills. This study aims to evaluate the static PC during single-leg stance in endurance, team and combat athletes from the Spanish National Sport Technification Program. A total of 29 boys and 32 girls, aged 12 to 16 years old, were recruited. Centre of pressure (CoP) was measured on a force platform in standing position for 40 s under two sensorial and leg dominance conditions. Girls showed lower MVeloc (p < 0.001), MFreq (p > 0.001) and Sway (p < 0.001) values than boys in both sensorial conditions (open and closed eyes). The highest values in all PC variables were observed with eyes closed in both genders (p < 0.001). Sway values were lower in boys combat-athletes compared to endurance athletes in two sensorial conditions and with non-dominant leg (p < 0.05). Young athletes in their teens enrolled in a Sport Technification Program have shown differences in PC when comparing different visual conditions, sport disciplines and gender. This study opens a window to a better understanding of the determinants of PC during single-leg stance as a critical element in the sport specialization of young athletes.
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Affiliation(s)
- Carlos Villarón-Casales
- Biomechanics & Physiotherapy in Sports (BIOCAPS), Faculty of Health Sciences, Universidad Europea de Valencia, 46010 Valencia, Spain
| | - Arian Ramón Aladro-Gonzalvo
- Biomechanics & Physiotherapy in Sports (BIOCAPS), Faculty of Health Sciences, Universidad Europea de Valencia, 46010 Valencia, Spain
| | - Javier Gámez-Payá
- Biomechanics & Physiotherapy in Sports (BIOCAPS), Faculty of Health Sciences, Universidad Europea de Valencia, 46010 Valencia, Spain
| | - Alberto Pardo-Ibáñez
- Department of Physical Education and Sport, University of Valencia, 46010 Valencia, Spain
| | - Fernando Domínguez-Navarro
- Biomechanics & Physiotherapy in Sports (BIOCAPS), Faculty of Health Sciences, Universidad Europea de Valencia, 46010 Valencia, Spain
- Department of Physiotherapy, University of Valencia, 46010 Valencia, Spain
| | - Diana Gallego
- Biomechanics & Physiotherapy in Sports (BIOCAPS), Faculty of Health Sciences, Universidad Europea de Valencia, 46010 Valencia, Spain
| | - Jorge Alarcón-Jimenez
- Department of Physiotherapy, Universidad Católica de Valencia, 46900 Valencia, Spain
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9
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Lambrich J, Muehlbauer T. Effects of athletic training on physical fitness and stroke velocity in healthy youth and adult tennis players: A systematic review and meta-analysis. Front Sports Act Living 2023; 4:1061087. [PMID: 36704261 PMCID: PMC9872018 DOI: 10.3389/fspor.2022.1061087] [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: 10/04/2022] [Accepted: 12/20/2022] [Indexed: 01/12/2023] Open
Abstract
Better physical fitness and stroke velocity in healthy elite compared to sub-elite tennis players have been shown in previous studies. However, evidence-based knowledge regarding the effectiveness of athletic training on physical fitness and stroke velocity is currently lacking. Thus, the objective of this systematic review with meta-analysis was to characterize, aggregate, and quantify athletic training effects on measures of physical fitness and stroke velocity in healthy youth and adult tennis players. A computerized systematic literature search was performed in the databases PubMed, Web of Science, and SportDiscus from their inception date to August 2022. Studies were included, among others, if the intervention period lasted a minimum of four weeks and if at least one parameter of physical fitness (i.e., speed, agility, lower-extremity muscle power, upper-extremity muscle power/strength, endurance, balance, flexibility) or stroke performance (i.e., stroke velocity) was tested. Initially, 11,511 articles were identified, after removing duplicates and assessing abstracts and full texts, 24 articles were used to calculate weighted standardized mean differences (SMD). For measures of physical fitness, athletic training resulted in small (speed: SMD = 0.44), moderate (endurance: SMD = 0.61, upper-extremity muscle power: SMD = 0.72; flexibility: SMD = 0.63), and large (agility: SMD = 0.93, lower-extremity muscle power: SMD = 0.88; upper-extremity muscle strength: SMD = 0.90; balance: SMD = 0.88) effects. Further, a large effect (SMD = 0.90) on stroke velocity was detected. The additionally performed sub-analyses showed differences in the effectiveness of athletic training on variables of physical fitness and stroke speed when considering players' age (i.e., youth players: <18 years; adult players: ≥18 years). Precisely, there was a high potential for training-related adaptations in adult players with respect to lower-extremity muscle power, upper-extremity muscle strength, and stroke velocity and in youth players with respect to endurance. Interventions to promote physical fitness and stroke velocity in healthy tennis players revealed varying levels of effectiveness ranging from small to large and these were additionally affected by players' age. Therefore, future studies should investigate modalities to increase training efficacy in youth and adult tennis players, especially for fitness components that showed small- to moderate-sized changes.
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Granacher U, Sarabon N, Babič J, Paillard T. Editorial: Acute and chronic changes in postural control in response to different physiological states and external environmental conditions. Front Hum Neurosci 2023; 17:1152276. [PMID: 36950146 PMCID: PMC10025523 DOI: 10.3389/fnhum.2023.1152276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 02/21/2023] [Indexed: 03/08/2023] Open
Affiliation(s)
- Urs Granacher
- Department of Sport and Sport Science, Exercise and Human Movement Science, University of Freiburg, Freiburg, Germany
- *Correspondence: Urs Granacher
| | - Nejc Sarabon
- Faculty of Health Sciences, University of Primorska, Izola, Slovenia
| | - Jan Babič
- Laboratory for Neuromechanics, and Biorobotics, Jožef Stefan Institute, Ljubljana, Slovenia
- Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia
| | - Thierry Paillard
- Université de Pau et des Pays de l'Adour, E2S UPPA, MEPS, Tarbes, France
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11
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Granacher U, Behm DG. Relevance and Effectiveness of Combined Resistance and Balance Training to Improve Balance and Muscular Fitness in Healthy Youth and Youth Athletes: A Scoping Review. Sports Med 2023; 53:349-370. [PMID: 36378414 PMCID: PMC9876852 DOI: 10.1007/s40279-022-01789-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND Balance and resistance training applied as single-mode interventions have proven to enhance measures of balance and/or muscular fitness in youth and youth athletes. Less is known on the effectiveness of combined or sequenced balance and resistance training in youth and youth athletes. OBJECTIVE The objective of this scoping review was to describe the effects of concurrently performed balance and resistance training (i.e., metastable resistance training) and different sequencing schemes of balance and resistance training on measures of balance and/or muscular fitness in healthy youth and youth athletes. We additionally aimed to identify knowledge gaps in the literature. METHODS According to the principles of a scoping review, we followed a broad research question, identified gaps in the literature, and reported findings on the level of single studies but did not aggregate and meta-analyze outcomes across studies. For this purpose, systematic literature searches were conducted in the electronic databases PubMed (including MEDLINE), Web of Science, and SPORTDiscus from inception until August 2022. We included metastable resistance training and sequenced balance and resistance training studies in healthy youth and youth athletes aged 6-18 years that investigated the training-induced effects on measures of balance (e.g., stork balance test) and muscular fitness (e.g., countermovement jump test) in contrast to active/passive controls. The Physiotherapy Evidence Database (PEDro) scale was used to assess the risk of bias. The Strength of Recommendation Taxonomy (SORT) was applied for the whole scoping review on levels A (high strength of recommendation) to C (low strength of recommendation) and for individual studies on levels 1 (high-quality evidence) to 3 (low-quality evidence). RESULTS The strength of recommendation for the scoping review was level B based on inconsistent or limited-quality evidence. Eleven randomized controlled trials were eligible to be included in this scoping review and each study was rated as 'limited-quality evidence'. A median PEDro score of 6 was computed across the included studies. Four studies examined the effects of metastable resistance training (e.g., plyometric training on unstable surfaces) on measures of balance and/or muscle fitness in youth athletes. The remaining seven studies investigated the impact of sequenced balance and resistance training (e.g., blocked balance training followed by blocked resistance training) on measures of balance and/or muscle fitness in youth and youth athletes. The duration of the intervention programs ranged from 6 to 10 weeks with 2-weekly to 3-weekly exercise sessions. Participants' age range was 10-18 years (mean 15 years). Ten studies examined young male and female athletes from different sports (i.e., basketball, handball, soccer) and one study physical education students. Metastable resistance training compared with plyometric training performed on stable surfaces showed no extra effect on measures of balance and muscular fitness. Stable plyometric training appears to be even more effective to improve jump performance. Sequenced balance and resistance training in the form of a mesocycle of balance followed by plyometric training seems to be particularly effective to improve measures of balance and muscular fitness in young athletes. This scoping review identified knowledge gaps that may indicate future research avenues: (i) comparative studies should be designed to examine how sex, age, maturity status, and expertise level impact on the adaptive potential following metastable resistance training or sequenced balance and resistance training in youth and youth athletes, (ii) at least one established measure of balance and muscular fitness should always be included in study designs to allow future comparison between studies and to aggregate (meta-analyze) findings across studies and (iii) studies are needed that examine neuromuscular and tendomuscular adaptations following these exercise types as well as dosage effects. CONCLUSIONS According to the results of this scoping review, balance training should be an essential training component for youth that is incorporated with the resistance training exercises or introduced at least a month before resistance and plyometric training within a periodized training program. More research is needed to examine the moderating roles of age, maturity status, and sex.
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Affiliation(s)
- Urs Granacher
- Department of Sport and Sport Science, Exercise and Human Movement Science, University of Freiburg, Sandfangweg 4, 79102 Freiburg, Germany
| | - David G. Behm
- School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John’s, NL Canada
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Hammami R, Ben Ayed K, Abidi M, Werfelli H, Ajailia A, Selmi W, Negra Y, Duncan M, Rebai H, Granacher U. Acute effects of maximal versus submaximal hurdle jump exercises on measures of balance, reactive strength, vertical jump performance and leg stiffness in youth volleyball players. Front Physiol 2022; 13:984947. [PMID: 36589451 PMCID: PMC9798320 DOI: 10.3389/fphys.2022.984947] [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: 07/02/2022] [Accepted: 12/03/2022] [Indexed: 12/23/2022] Open
Abstract
Background: Although previous research in pediatric populations has reported performance enhancements following long-term plyometric training, the acute effects of plyometric exercises on measures of balance, vertical jump, reactive strength, and leg stiffness remain unclear. Knowledge on the acute effects of plyometric exercises (i.e., maximal versus submaximal hurdle jumps) help to better plan and program warm-up sessions before training or competition. Objectives: To determine the acute effects of maximal vs. submaximal hurdle jump exercise protocols executed during one training session on balance, vertical jump, reactive strength, and leg stiffness in young volleyball players. Materials and methods: Thirty male youth volleyball players, aged 12-13 years, performed two plyometric exercise protocols in randomized order. In a within-subject design, the protocols were conducted under maximal (MHJ; 3 sets of 6 repetitions of 30-cm hurdle jumps) and submaximal (SHJ; 3 sets of 6 repetitions of 20-cm hurdle jumps) hurdle jump conditions. Pre- and post-exercise, balance was tested in bipedal stance on stable (firm) and unstable surfaces (foam), using two variables [center of pressure surface area (CoP SA) and velocity (CoP V)]. In addition, the reactive strength index (RSI) was assessed during countermovement maximal jumping and leg stiffness during side-to-side submaximal jumping. Testing comprised maximal countermovement jumps (CMJ). Results: Significant time-by-condition interactions were found for CoP SA firm (p < .0001; d = 0.80), CoP SA foam (p < .0001; d = 0.82), CoP V firm (p < .0001; d = 0.85), and CoP V foam (p < .0001; d = 0.83). Post-hoc analyses showed significant improvements for all balance variables from pretest to posttest for MHJ but not SHJ. All power tests displayed significant time-by-group interactions for countermovement jumps (p < .05; d = 0.42), RSI (p < .0001; d = 1.58), and leg stiffness (p < .001; d = 0.78). Post-hoc analyses showed significant pre-post CMJ (p < .001, d = 1.95) and RSI (p < .001, d = 5.12) improvements for MHJ but not SHJ. SHJ showed larger pre-post improvements compared with MHJ for leg stiffness (p < .001; d = 3.09). Conclusion: While the MHJ protocol is more effective to induce acute performance improvements in balance, reactive strength index, and vertical jump performance, SHJ has a greater effect on leg stiffness. Due to the importance of postural control and muscle strength/power for overall competitive performance in volleyball, these results suggest that young volleyball players should implement dynamic plyometric protocols involving maximal and submaximal hurdle jump exercises during warm-up to improve subsequent balance performance and muscle strength/power.
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Affiliation(s)
- Raouf Hammami
- Research Laboratory: Education Motor Skill Sports and Health (LR19JS01), Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia,Higher Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunis, Tunisia
| | - Karim Ben Ayed
- Research Laboratory: Education Motor Skill Sports and Health (LR19JS01), Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Manel Abidi
- Research Laboratory: Education Motor Skill Sports and Health (LR19JS01), Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Hanen Werfelli
- Research Laboratory: Education Motor Skill Sports and Health (LR19JS01), Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia,Higher Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunis, Tunisia
| | - Amira Ajailia
- Research Laboratory: Education Motor Skill Sports and Health (LR19JS01), Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Walid Selmi
- Higher Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunis, Tunisia,Research Unit (UR17JS01) “Sport Performance, Health and Society”, Higher Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunis, Tunisia
| | - Yassine Negra
- Higher Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunis, Tunisia,Research Unit (UR17JS01) “Sport Performance, Health and Society”, Higher Institute of Sport and Physical Education of Ksar Said, Manouba University, Tunis, Tunisia
| | - Michael Duncan
- Centre for Sport, Exercise and Life Sciences, Coventry University, Coventry, United Kingdom,*Correspondence: Michael Duncan,
| | - Haithem Rebai
- Research Laboratory: Education Motor Skill Sports and Health (LR19JS01), Higher Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Urs Granacher
- Department of Sport and Sport Science, Exercise and Human Movement Science, University of Freiburg, Freiburg, Germany
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Effect of balance training on static and dynamic balance performance in male adolescents: role of training frequency. BMC Res Notes 2022; 15:365. [PMID: 36503678 PMCID: PMC9743712 DOI: 10.1186/s13104-022-06177-y] [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: 06/09/2022] [Accepted: 08/23/2022] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Previous studies reported significant improvements in static and dynamic balance performance following balance training during adolescence. However, it is unclear how equal training volume but different training frequencies per week affect training-induced adaptations. Thus, the present study investigated the effects of balance training frequency (i.e., 2 × 30 min per week or 3 × 20 min per week) on measures of static and dynamic balance in healthy male adolescents. RESULTS Irrespective of balance training frequency, significant pretest to posttest improvements were detected for static (i.e., One-Legged Stance test, standing time duration) and dynamic (i.e., Lower Quarter Y Balance test, reach distance) balance performance. However, no group × test interactions were found. These results imply that balance training is effective to improve static and dynamic balance performance in healthy male adolescents, but the effectiveness seems unaffected by the applied balance training frequency.
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Blodgett JM, Hardy R, Davis D, Peeters G, Kuh D, Cooper R. One-Legged Balance Performance and Fall Risk in Mid and Later Life: Longitudinal Evidence From a British Birth Cohort. Am J Prev Med 2022; 63:997-1006. [PMID: 35995713 PMCID: PMC10499759 DOI: 10.1016/j.amepre.2022.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 11/16/2022]
Abstract
INTRODUCTION The one-legged balance test is widely used as a fall risk screening tool in both clinical and research settings. Despite rising fall prevalence in midlife, there is little evidence examining balance and fall risk in those aged <65 years. This study investigated the longitudinal associations between one-legged balance and the number of falls between ages 53 and 68 years. METHODS The study included 2,046 individuals from the Medical Research Council National Survey of Health & Development, a British birth cohort study. One-legged balance times (eyes open, maximum: 30 seconds) were assessed at ages 53 years (1999) and 60-64 years (2006-2010). Fall history within the last year (none, 1, ≥2) was self-reported at ages 60-64 years and 68 years (2014). Multinomial logistic regressions assessed the associations between balance and change in balance with subsequent falls. Models adjusted for anthropometric, socioeconomic, behavioral, health status, and cognitive indicators. Analysis occurred between 2019 and 2022. RESULTS Balance performance was not associated with single falls. Better balance performance at age 53 years was associated with decreased risk of recurrent falls at ages 60-64 years and 68 years, with similar associations between balance at age 60-64 years and recurrent falls at age 68 years. Those with consistently lower balance times (<15 seconds) were at greater risk (RRR=3.33, 95% CI=1.91, 5.80) of recurrent falls at age 68 years in adjusted models than those who could balance for 30 seconds at ages 53 years and 60-64 years. CONCLUSIONS Lower balance and consistently low or declining performance were associated with a greater subsequent risk of recurrent falls. Earlier identification and intervention of those with poor balance ability can help to minimize the risk of recurrent falls in aging adults.
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Affiliation(s)
- Joanna M Blodgett
- Division of Surgery & Interventional Science, Institute of Sport, Exercise & Health, University College London, London, United Kingdom; MRC Unit for Lifelong Health and Ageing at UCL, UCL Institute of Cardiovascular Science, London, United Kingdom.
| | - Rebecca Hardy
- Cohort and Longitudinal Studies Enhancement Resources, Social Research Institute, University College London, London, United Kingdom
| | - Daniel Davis
- MRC Unit for Lifelong Health and Ageing at UCL, UCL Institute of Cardiovascular Science, London, United Kingdom
| | - Geeske Peeters
- Department of Geriatric Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Diana Kuh
- MRC Unit for Lifelong Health and Ageing at UCL, UCL Institute of Cardiovascular Science, London, United Kingdom
| | - Rachel Cooper
- Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University Institute of Sport, Manchester, United Kingdom; AGE Research Group, NIHR Newcastle Biomedical Research Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom; NIHR Newcastle Biomedical Research Centre, Newcastle University and Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
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15
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Muehlbauer T, Schedler S. No sex-specific effects of balance training on dynamic balance performance in healthy children. Front Sports Act Living 2022; 4:1019093. [PMID: 36329853 PMCID: PMC9623005 DOI: 10.3389/fspor.2022.1019093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022] Open
Abstract
Background Cross-sectional studies in children reported better balance performance for girls than for boys. Thus, balance trainability might be different between female and male children. The aim of the present study was to examine the effects of balance training (BT) on dynamic balance performance in girls compared to boys. Methods Seventeen girls (age: 11.1 ± 0.7 years) and 22 boys (age: 11.1 ± 0.8 years) were assigned to either a BT-group or an active control (CON) group. BT was conducted over eight weeks (two sessions/week) while the CON-groups received their regular physical education lessons during the same period. Before and after treatment, dynamic balance performance was assessed by using the Lower Quarter Y-Balance (YBT-LQ) test. A series of three-way analyses of covariance (ANCOVA) were undertaken to test for within-between effects of Test [×2 (pretest vs. posttest)], Group [×2 (BT-group vs. CON-group)] and Sex [×2 (boys vs. girls)]. Results The three-way ANCOVA yielded a significant main effect of Test (p = 0.002-0.043, η p 2 = 0.122-0.262) and of Group (all p < 0.001, η p 2 = 0.330-0.651) but not of sex for all YBT-LQ reach directions and the composite score. Further, there were significant Test × Group interactions (all p < 0.001, η p 2 = 0.330-0.651) in favor of both BT-groups but neither Test × Sex nor Test × Group × Sex interactions were detected. Conclusions We conclude that BT is an effective treatment to improve dynamic balance performance in healthy children regardless of their sex. Consequently, girls and boys can be provided with the same BT regime to enhance their postural control.
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16
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Muehlbauer T, Brueckner D, Schedler S. Effect of practice on learning a balance task in children, adolescents, and young adults. Front Psychol 2022; 13:989645. [PMID: 36275216 PMCID: PMC9584915 DOI: 10.3389/fpsyg.2022.989645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
Background A lower developmental stage of the postural control system in childhood compared to adolescence and adulthood was reported in numerous studies and suggests differences (i.e., less improvements in children than in adolescents and young adults due to the immature postural control system) during learning a balance task. Therefore, the present study examined the effect practice on learning (i.e., retention and transfer) a balance task in healthy children, adolescents, and young adults. Methods Healthy children (n = 32, 8.5 ± 0.5 years), adolescents (n = 30, 14.6 ± 0.6 years), and young adults (n = 28, 24.3 ± 3.3 years) practiced balancing on a stabilometer (i.e., to keep the platform as close to horizontal as possible) for 2 days. On the third day, learning was assessed using a retention (i.e., balance task only) and a transfer (i.e., balance task plus concurrent motor interference task) test. The root-mean-square-error (RMSE) was calculated and used as outcome measures. Results Over the course of practice, significant improvements (p < 0.001) were detected in favor of children and young adults. However, neither the retention nor the transfer test showed significant group differences. Conclusion Our findings indicate that learning a balance task did not seem to be influenced by the developmental stage of the postural control system.
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17
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Barrio ED, Ramirez-Campillo R, Garcia de Alcaraz Serrano A, RaquelHernandez-García R. Effects of core training on dynamic balance stability: A systematic review and meta-analysis. J Sports Sci 2022; 40:1815-1823. [PMID: 35976032 DOI: 10.1080/02640414.2022.2110203] [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: 10/15/2022]
Abstract
Core stability has a strong relationship with dynamic balance stability (DBS). The purpose of this review with meta-analysis was to analyse the effects of core training programmes from different studies on DBS. A literature search was performed using different databases. Subgroups analyses on duration, training frequency, total sessions, chronological age, training status, equipment and movements were performed. A random-effects model for meta-analyses was used. Thirteen studies were selected for the systematic review and 10 for the meta-analysis, comprising 226 participants. A moderate effect was noted for core training on DBS (p < 0.001; ES = 0.634). Greater DBS improvements were found in core training interventions with ≤6 weeks (ES = 0.714), after high volume (ES = 0.787) and more frequent interventions (ES = 0.787), as well as in younger participants (ES = 0.832). In addition, body weight exercises may be better than med ball, swiss ball or band resisted exercises. Core training improves DBS among athletes and a non-trained population, creating a more solid stable base that allows better lower extremity movements. This could be more effective considering different modulators ≤6 weeks intervention, >2 sessions per week, >17 total sessions, body weight core programmes and applied to ≤18.0 years old.
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Affiliation(s)
| | - Rodrigo Ramirez-Campillo
- exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago, Chile
| | - Antonio Garcia de Alcaraz Serrano
- Faculty of Educational Sciences, University of Almería, Almería, Spain.,SPORT Research Group (CTS-1024), CERNEP Research Center, University of Almería, Almería, Spain
| | - Raquel RaquelHernandez-García
- Faculty of Sports Sciences, University of Murcia, Murcia, Spain.,Faculty of Educational Sciences, University of Castilla la Mancha, Cuenca, Spain
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18
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Blodgett JM, Cooper R, Pinto Pereira SM, Hamer M. Stability of Balance Performance From Childhood to Midlife. Pediatrics 2022; 150:188250. [PMID: 35670126 DOI: 10.1542/peds.2021-055861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/05/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Balance ability underlies most physical movement across life, with particular importance for older adults. No study has investigated if balance ability is established in childhood nor if associations are independent of adult factors. We investigated associations between balance performance in early (age 10) and midlife (age 46), and whether associations were independent of contributors to adult balance. METHODS Up to 6024 individuals from the 1970 British Cohort Study were included. At age 10, static (1-legged stand) and dynamic (backward toe-to-heel walk) balance were categorized as poor, medium, or high. Eyes open and closed 1-legged balance performance (max: 30 seconds) was assessed at age 46 with 5 categories. RESULTS Poor static balance at age 10 was strongly associated with worse balance ability at age 46. Relative to the highest balance group at age 46 (ie, eyes open and closed for 30 seconds), those with poor static balance had a 7.07 (4.92-10.16) greater risk of being in the poorest balance group (ie, eyes open <15 seconds). Associations were robust to adjustment for childhood illness, cognition, and socioeconomic position and adult measures of height, BMI, education, exercise, word recall, and grip strength (adjusted relative risk: 5.04 [95% confidence interval: 3.46-7.37]). Associations between dynamic balance at age 10 and balance at age 46 were weaker (adjusted relative risk) of the poorest balance group: 1.84 [1.30-2.62]). CONCLUSIONS Early childhood may represent an important period for maturation of postural strategies involved in balance, indicating the potential for early intervention and policy changes alongside existing interventions that currently target older adults.
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Affiliation(s)
- Joanna M Blodgett
- Institute of Sport Exercise & Health, Division of Surgery & Interventional Science, University College London, London, United Kingdom
| | - Rachel Cooper
- Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University, Manchester, United Kingdom
| | - Snehal M Pinto Pereira
- Institute of Sport Exercise & Health, Division of Surgery & Interventional Science, University College London, London, United Kingdom
| | - Mark Hamer
- Institute of Sport Exercise & Health, Division of Surgery & Interventional Science, University College London, London, United Kingdom
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Effects of 8-Week In-Season Contrast Strength Training Program on Measures of Athletic Performance and Lower-Limb Asymmetry in Male Youth Volleyball Players. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19116547. [PMID: 35682140 PMCID: PMC9180623 DOI: 10.3390/ijerph19116547] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/12/2022] [Accepted: 05/25/2022] [Indexed: 02/04/2023]
Abstract
Strength training using high and lower load such as contrast training (CST) seems to be beneficial as it addresses larger adaptive reserves in youth athletes. Therefore, the aim of this study was to investigate the effects of CST on dynamic balance (composite score during dynamic balance test (CS-YBT)), one repetition maximum lower-limb back squat (1RM), jumping performance (single-leg hop (SLH) or countermovement jump height (CMJ)), lower-limb asymmetry (predicted from the single-leg jump performance between two legs [ILA]) in elite youth male volleyball players. Thirty-one male youth volleyball players aged 14 years were randomly assigned to a CST group (n = 16) or a control group (n = 15). The tests were performed before and after 8 weeks of training. Significant group × time interactions was observed for CS-YBT [p < 0.001, ηp2 = 0.70], 1RM [p < 0.001, ηp2 = 0.95], SLH with right and left leg [p < 0.001, ηp2 = 0.69 and 0.51], CMJ [p < 0.001, ηp2 = 0.47]), whilst it was not notable in ILA [p < 0.294]. Post hoc tests showed that CST group demonstrated greater improvement in all of the dependent variables from medium to large effect size (for all p < 0.001). As a result, 8 weeks of CST twice a week can be an effective and efficient training along with volleyball training to improve skill-related fitness measures, except for lower-limb asymmetry in young volleyball players.
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20
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Muehlbauer T, Waldermann F. Effects of balance exercises during daily tooth brushing on balance performance in healthy children. Gait Posture 2022; 92:449-454. [PMID: 34998264 DOI: 10.1016/j.gaitpost.2021.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/01/2021] [Accepted: 12/23/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND It has been shown that supervised balance training is effective in improving balance performance in children but relatively costly in terms of personnel, materials, and time. Integrating balance exercises into daily routines such as tooth brushing reduces these needs, but its effectiveness is unknown. OBJECTIVE This study investigated the impact of balance exercises performed during daily tooth brushing on measures of static and dynamic balance in healthy children. METHODS Fifty-five healthy children were assigned to either an intervention (n = 32, age: 9.5 ± 0.7 years) or a control (n = 23, age: 9.2 ± 0.5 years) group. Participants of the intervention group performed progressive balance exercises while tooth brushing on a daily basis (2 sessions per day × 3 min per session) for eight weeks. Static (i.e., timed one-legged stance test [OLS]) and dynamic (i.e., Lower Quarter Y Balance test [YBT-LQ]) balance were tested before and after the intervention period. RESULTS The adherence rate to exercise was 98% for the participants of the intervention group. Significant test × group interactions in favor of the intervention group were detected in three out of four OLS stance conditions and for all YBT-LQ reach directions. CONCLUSIONS Eight weeks of balance exercises while tooth brushing proved to be feasible (i.e., high adherence rate) and effective (i.e., enhanced static and dynamic balance performance) and is thus recommended to improve postural control in healthy children.
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Affiliation(s)
- Thomas Muehlbauer
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Essen, Germany.
| | - Finja Waldermann
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Essen, Germany
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21
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Marcori AJ, Monteiro PHM, Oliveira JA, Doumas M, Teixeira LA. Single Leg Balance Training: A Systematic Review. Percept Mot Skills 2022; 129:232-252. [PMID: 35084234 DOI: 10.1177/00315125211070104] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Single leg balance training promotes significant increments in balance control, but previous reviews on balance control have not analyzed this form of balance training. Accordingly, we aimed to review the single leg balance training literature to better understand the effects of applying this training to healthy individuals. We searched five databases-PubMed, EMBASE, Scopus, Lilacs, and Scielo-with the following inclusion criteria: (a) peer-reviewed articles published in English; (b) analysis of adult participants who had no musculoskeletal injuries or diseases that might impair balance control; and (c) use of methods containing at least a pre-test, exclusive single leg balance training, and a post-test assessment. We included 13 articles meeting these criteria and found that single leg balance training protocols were effective in inducing balance control gains in either single- or multiple-session training and with or without progression of difficulty. Balance control gains were achieved with different amounts of training, ranging from a single short session of 10 minutes to multiple sessions totaling as much as 390 min of unipedal balance time. Generalization of balance gains to untrained tasks and cross-education between legs from single leg balance training were consistent across studies. We concluded that single leg balance training can be used in various contexts to improve balance performance in healthy individuals. These results extend knowledge of expected outcomes from this form of training and aid single leg balance exercise prescription regarding volume, frequency, and potential progressions.
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Affiliation(s)
- Alexandre J Marcori
- School of Physical Education and Sports, 28133University of São Paulo, São Paulo, Brazil
| | - Pedro H M Monteiro
- School of Physical Education and Sports, 28133University of São Paulo, São Paulo, Brazil
| | - Júlia A Oliveira
- School of Physical Education and Sports, 28133University of São Paulo, São Paulo, Brazil
| | - Michail Doumas
- School of Psychology, 1596Queen's University, Belfast, Northern Ireland
| | - Luis A Teixeira
- School of Physical Education and Sports, 28133University of São Paulo, São Paulo, Brazil
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22
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Schedler S, Graf SM, Muehlbauer T. Effects of Different Balance Training Volumes on Children's Dynamic Balance. Sports Med Int Open 2022; 6:E32-E38. [PMID: 35836476 PMCID: PMC9276332 DOI: 10.1055/a-1811-1145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Concerning balance training, the most effective design of several load dimensions (e. g., training frequency, volume) is unclear. Thus, we determined the effects of different balance training volumes on dynamic balance in healthy children. Three groups of 20 children (age: 11.0±0.7 years; 47% females) were randomly assigned to a balance training group using a low or a high training volume or an active control group that performed regular physical education lessons. All groups trained for 8 weeks (2 sessions/week), whereby balance training volume amounted to 4 min/session and 18-24 min/session for the low- and high-volume group, respectively. Pre- and post-training, balance performance was assessed using the Lower Quarter Y-Balance Test and the Timed-Up-and-Go Test. Fifty-five children completed the study and significant Test x Group interactions were detected for both outcome measures in favor of the two balance training groups. Additionally, improvements in the high-volume group were significantly larger for some measures (Y-balance test anterior reach distance: p <.001, d =.94; Timed-Up-and-Go time: p =.003, d =.81) compared to the low-volume group. The results indicate that balance training is effective to improve balance performance in healthy children and it seems that a 36-48 min/week compared to an 8 min/week training volume provides additional effects.
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Affiliation(s)
- Simon Schedler
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Essen, Germany
| | - Stella Marie Graf
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Essen, Germany
| | - Thomas Muehlbauer
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Essen, Germany
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Muehlbauer T. Effects of balance training on static and dynamic balance performance in healthy children: role of training duration and volume. BMC Res Notes 2021; 14:465. [PMID: 34949215 PMCID: PMC8697465 DOI: 10.1186/s13104-021-05873-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 12/01/2021] [Indexed: 11/25/2022] Open
Abstract
Objective Improvements in balance performance through balance training programs in children have been reported in several studies. However, the influence of balance training modalities (e.g., training period, frequency, volume) on the training effectiveness have not yet been studied. To address this shortfall, the present study investigated the effects of balance training duration and volume (i.e., 240 min during 4 weeks versus 360 min during 6 weeks) on measures of static and dynamic balance performance in healthy children (N = 29) aged 10 years. Results Irrespective of balance training duration and volume, significant pre- to post-test improvements were found for variables of static (i.e., one-legged stance on foam ground, reduced number of floor contacts: p = .041, ηp2 = .15) and dynamic (i.e., Lower Quarter Y Balance test, increased anterior reach distance: p = .038, ηp2 = .15) balance performance but no group × test interactions were detected. These findings indicate that balance training is effective to improve static and dynamic balance performance in healthy children, but the effectiveness seems unaffected by the applied training duration and volume. Trial Registration Current Controlled Trials ISRCTN75170753 (retrospectively registered at 12th April, 2021).
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Affiliation(s)
- Thomas Muehlbauer
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141, Essen, Germany.
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Static Body Balance in Children and Expert Adults Ballroom Dancers: Insights from Spectral Analysis of Shifts. BIOLOGY 2021; 10:biology10121291. [PMID: 34943206 PMCID: PMC8698350 DOI: 10.3390/biology10121291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/17/2021] [Accepted: 12/06/2021] [Indexed: 01/10/2023]
Abstract
OBJECTIVE The purpose of this study was to assess the differences in maintaining body balance (influence of different sensorial sub-systems) in a representative sample of active Dance Sport competitors (children and adults). METHODS Overall, 13 children and 15 high-level adults sport dancers underwent a static equilibrium test on a force platform, in which 17 different parameters were examined, including a spectral analysis of shifts using an FFT algorithm that can assess the contribution of different somatic-sensory systems on maintaining body balance. RESULTS Younger subjects rely on their somatic-sensory reactions to maintain their balance, while adults rely more on the vestibular system, according to shifts' spectral analysis. No differences were noted between the male and female participants. CONCLUSIONS Children predominantly use the somatic-sensory system in body balance, while adults make more use of the vestibular system. According to these results and due to the trainability phases, exercises that challenge the somato-sensorial system are recommended to train balance in young dancers, while exercises that challenge the vestibular system are recommended in adult dancers which who have not developed exceptional somato-sensory balance abilities during their growth and training history.
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Kenville R, Maudrich T, Körner S, Zimmer J, Ragert P. Effects of Short-Term Dynamic Balance Training on Postural Stability in School-Aged Football Players and Gymnasts. Front Psychol 2021; 12:767036. [PMID: 34867668 PMCID: PMC8637817 DOI: 10.3389/fpsyg.2021.767036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
Static and dynamic balance abilities enable simple and complex movements and are determinants of top athletic performance. Balance abilities and their proficiency differ fundamentally with respect to age, gender, type of balance intervention, and type of sport. With this study, we aim to investigate whether 4weeks of dynamic balance training (DBT) improves static balance performance in school-aged gymnasts and football players. For this purpose, young male gymnasts (n=21) and male football players (n=20) completed an initial static balance assessment consisting of two one-legged stance (left and right foot) and two two-legged stance (eyes open and eyes closed) tasks. Subsequently, all participants underwent a 4-week intervention. DBT consisting of nine individual tasks was performed two times per week. Another static balance assessment followed 1day after the last training session and retention was assessed 2weeks later. Dynamic balance scores and total path length were analyzed via rank-based repeated measures designs using ANOVA-type statistics. The influence of factors GROUP and TIME on the static and dynamic balance performance was examined. Prior to DBT, young gymnasts showed better static balance performance than football players. However, after intervention, both groups improved in both one-legged stance tasks and also had high retention rates in these tasks. No significant improvements were seen in either group in the two-legged balance tests. Both groups improved in the dynamic balance tasks, although no differences in learning rates were evident. Our findings imply an inter-relationship between both static and dynamic balance components. Consequently, training regimes should include both balance components to facilitate early development of balance ability.
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Affiliation(s)
- Rouven Kenville
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, Germany.,Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Tom Maudrich
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, Germany.,Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Sophie Körner
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, Germany
| | - Johannes Zimmer
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, Germany
| | - Patrick Ragert
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, Germany.,Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
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Slovák L, Zahradník D, Farana R, Svoboda Z, Alaei F, Sarvestan J. Kinetic analysis of volleyball spike jump among young female volleyball players. INT J PERF ANAL SPOR 2021. [DOI: 10.1080/24748668.2021.1996906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Lukáš Slovák
- Human Motion Diagnostic Center, University of Ostrava, Ostrava, Czechia
| | - David Zahradník
- Human Motion Diagnostic Center, University of Ostrava, Ostrava, Czechia
| | - Roman Farana
- Human Motion Diagnostic Center, University of Ostrava, Ostrava, Czechia
| | - Zdeněk Svoboda
- Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic
| | - Fatemeh Alaei
- Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic
| | - Javad Sarvestan
- Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University Olomouc, Olomouc, Czech Republic
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Ramachandran AK, Singh U, Ramirez-Campillo R, Clemente FM, Afonso J, Granacher U. Effects of Plyometric Jump Training on Balance Performance in Healthy Participants: A Systematic Review With Meta-Analysis. Front Physiol 2021; 12:730945. [PMID: 34744772 PMCID: PMC8564501 DOI: 10.3389/fphys.2021.730945] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/21/2021] [Indexed: 12/18/2022] Open
Abstract
Background: Postural balance represents a fundamental movement skill for the successful performance of everyday and sport-related activities. There is ample evidence on the effectiveness of balance training on balance performance in athletic and non-athletic population. However, less is known on potential transfer effects of other training types, such as plyometric jump training (PJT) on measures of balance. Given that PJT is a highly dynamic exercise mode with various forms of jump-landing tasks, high levels of postural control are needed to successfully perform PJT exercises. Accordingly, PJT has the potential to not only improve measures of muscle strength and power but also balance. Objective: To systematically review and synthetize evidence from randomized and non-randomized controlled trials regarding the effects of PJT on measures of balance in apparently healthy participants. Methods: Systematic literature searches were performed in the electronic databases PubMed, Web of Science, and SCOPUS. A PICOS approach was applied to define inclusion criteria, (i) apparently healthy participants, with no restrictions on their fitness level, sex, or age, (ii) a PJT program, (iii) active controls (any sport-related activity) or specific active controls (a specific exercise type such as balance training), (iv) assessment of dynamic, static balance pre- and post-PJT, (v) randomized controlled trials and controlled trials. The methodological quality of studies was assessed using the Physiotherapy Evidence Database (PEDro) scale. This meta-analysis was computed using the inverse variance random-effects model. The significance level was set at p <0.05. Results: The initial search retrieved 8,251 plus 23 records identified through other sources. Forty-two articles met our inclusion criteria for qualitative and 38 for quantitative analysis (1,806 participants [990 males, 816 females], age range 9-63 years). PJT interventions lasted between 4 and 36 weeks. The median PEDro score was 6 and no study had low methodological quality (≤3). The analysis revealed significant small effects of PJT on overall (dynamic and static) balance (ES = 0.46; 95% CI = 0.32-0.61; p < 0.001), dynamic (e.g., Y-balance test) balance (ES = 0.50; 95% CI = 0.30-0.71; p < 0.001), and static (e.g., flamingo balance test) balance (ES = 0.49; 95% CI = 0.31-0.67; p < 0.001). The moderator analyses revealed that sex and/or age did not moderate balance performance outcomes. When PJT was compared to specific active controls (i.e., participants undergoing balance training, whole body vibration training, resistance training), both PJT and alternative training methods showed similar effects on overall (dynamic and static) balance (p = 0.534). Specifically, when PJT was compared to balance training, both training types showed similar effects on overall (dynamic and static) balance (p = 0.514). Conclusion: Compared to active controls, PJT showed small effects on overall balance, dynamic and static balance. Additionally, PJT produced similar balance improvements compared to other training types (i.e., balance training). Although PJT is widely used in athletic and recreational sport settings to improve athletes' physical fitness (e.g., jumping; sprinting), our systematic review with meta-analysis is novel in as much as it indicates that PJT also improves balance performance. The observed PJT-related balance enhancements were irrespective of sex and participants' age. Therefore, PJT appears to be an adequate training regime to improve balance in both, athletic and recreational settings.
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Affiliation(s)
| | - Utkarsh Singh
- Department of Physical Activity Sciences, Universidad de Los Lagos, Santiago, Chile
| | - Rodrigo Ramirez-Campillo
- Department of Physical Activity Sciences, Universidad de Los Lagos, Santiago, Chile
- Exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago, Chile
| | - Filipe Manuel Clemente
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Álvares, Viana do Castelo, Portugal
- Instituto de Telecomunicações, Delegação da Covilhã, Lisboa, Portugal
| | - José Afonso
- Centre for Research, Education, Innovation and Intervention in Sport, Faculty of Sport of the University of Porto, Porto, Portugal
| | - Urs Granacher
- Division of Training and Movement Sciences, University of Potsdam, Potsdam, Germany
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Wu C, Xu Y, Chen Z, Cao Y, Yu K, Huang C. The Effect of Intensity, Frequency, Duration and Volume of Physical Activity in Children and Adolescents on Skeletal Muscle Fitness: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189640. [PMID: 34574565 PMCID: PMC8468576 DOI: 10.3390/ijerph18189640] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/01/2021] [Accepted: 09/07/2021] [Indexed: 12/29/2022]
Abstract
Physical activity could improve the muscle fitness of youth, but the systematic analysis of physical activity elements and muscle fitness was limited. This systematic review and meta-analysis aim to explore the influence of physical activity elements on muscle fitness in children and adolescents. We analyzed literature in Embase, EBSCO, Web of Science, and PubMed databases from January 2000 to September 2020. Only randomized controlled studies with an active control group, which examined at least 1 muscle fitness evaluation index in individuals aged 5–18 years were included. Articles were evaluated using the Jaded scale. Weighted-mean standardized mean differences (SMDs) were calculated using random-effects models. Twenty-one studies and 2267 subjects were included. Physical activity had moderate effects on improving muscle fitness (SMD: 0.58–0.96, p < 0.05). Physical activity element subgroup analysis showed that high-intensity (SMD 0.68–0.99, p < 0.05) physical activity <3 times/week (SMD 0.68–0.99, p < 0.05), and <60 min/session (SMD 0.66–0.76, p < 0.01) effectively improved muscle fitness. Resistance training of ≥3 sets/session (SMD 0.93–2.90, p < 0.01) and <10 repetitions/set (SMD 0.93–1.29, p < 0.05) significantly improved muscle fitness. Low-frequency, high-intensity, and short-duration physical activity more effectively improves muscle fitness in children and adolescents. The major limitation of this meta-analysis was the low quality of included studies. The study was registered in PROSPERO with the registration number CRD42020206963 and was funded mainly by the Ministry of Education of Humanities and Social Science project, China.
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Affiliation(s)
- Chunchun Wu
- Department of Sports and Exercise Science, College of Education, Zhejiang University, Hangzhou 310000, China; (C.W.); (Y.X.); (K.Y.)
| | - Yongjin Xu
- Department of Sports and Exercise Science, College of Education, Zhejiang University, Hangzhou 310000, China; (C.W.); (Y.X.); (K.Y.)
| | - Zhaojing Chen
- Department of Kinesiology, California State University San Bernardino, San Bernardino, CA 92407, USA;
| | - Yinhang Cao
- School of Physical Education and Sport Training, Shanghai University of Sport, Shanghai 200438, China;
| | - Kehong Yu
- Department of Sports and Exercise Science, College of Education, Zhejiang University, Hangzhou 310000, China; (C.W.); (Y.X.); (K.Y.)
| | - Cong Huang
- Department of Sports and Exercise Science, College of Education, Zhejiang University, Hangzhou 310000, China; (C.W.); (Y.X.); (K.Y.)
- Department of Medicine and Science in Sports and Exercise, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan
- Correspondence: ; Tel.: +86-0571-88273691
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Al Attar WSA, Husain MA. The Effect of Combining Plyometrics Exercises and Balance Exercises in Improving Dynamic Balance among Female College Athletes: A Randomized Controlled Trial. PM R 2021; 14:1177-1187. [PMID: 34375501 DOI: 10.1002/pmrj.12690] [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: 01/16/2021] [Revised: 07/08/2021] [Accepted: 08/03/2021] [Indexed: 11/10/2022]
Abstract
INTRODUCTION Plyometrics and balance exercises have been shown to reduce lower limb injury incidence. The effects of combining these exercises on dynamic balance have not been investigated. OBJECTIVE This study aimed to evaluate the effect of plyometrics and balance exercises and a combination of both exercises on postural stability among female athletes compared to those who did not perform any specific exercise (control). DESIGN Randomized controlled trial. SETTING Sports Medicine Laboratory. PARTICIPANTS Two hundred female athletes aged 21.9±2.4 years were randomly assigned to a plyometrics exercises group (n = 50), a balance exercises group (n = 50), a combination of both exercises group (n = 50), or a control group (n = 50). One hundred seventy-nine female college athletes completed the study. INTERVENTIONS Plyometrics exercises, balance exercises and a combination of both exercises. OUTCOME MEASURES Limits of stability, which was assessed using the Biodex Stability System to assess the performance of the dynamic balance. It was measured pre and post-intervention after six weeks. RESULTS There were no differences in baseline data between groups (p = .557). All groups showed significant improvements in limits of stability (p < .001). The most marked improvement in the limits of stability was shown in the combination group compared to the control group (MD = 4.1 %, 95% CI [2.8, 5.3], p < .001). CONCLUSIONS Combining plyometrics and balance exercises significantly increases the dynamic balance performance post-intervention among female athletes compared to the control group. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Wesam Saleh A Al Attar
- Department of Physical Therapy, Faculty of Applied Medical Sciences, Umm Al Qura University, Makkah, Saudi Arabia.,Department of Sport, Exercise and Health, Faculty of Medicine, University of Basel, Basel, Switzerland.,Discipline of Exercise and Sport Science, Faculty of Medicine and Health Sciences, The University of Sydney, Sydney, Australia
| | - Mohamed A Husain
- Department of Physiotherapy, College of Health and Sport Sciences, University of Bahrain, Manama, Bahrain
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Morawietz C, Muehlbauer T. Effects of Physical Exercise Interventions on Spatial Orientation in Children and Adolescents: A Systematic Scoping Review. Front Sports Act Living 2021; 3:664640. [PMID: 34222859 PMCID: PMC8247469 DOI: 10.3389/fspor.2021.664640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 05/10/2021] [Indexed: 11/30/2022] Open
Abstract
Background: Regular physical exercise plays an integral part in the psychomotor and psychosocial development of children and adolescents, with complex motor and cognitive processes closely linked. Spatial abilities, one aspect of cognitive functioning start to evolve from earliest childhood and reach adult-like levels by early adolescence. As they have been associated with good spatial orientation, wayfinding, map-reading skills, problem solving or analyzing spatial information, these skills facilitate independence and autonomy while growing up. Despite promising results, only few studies investigate this relation between physical exercise and spatial abilities. To use this benefit and develop purposive physical exercise interventions, it is essential to summarize the current evidence. Objectives: This literature review aims to systematically summarize findings regarding the impact of physical exercise interventions on spatial abilities in healthy children and adolescents and identify knowledge gaps. Methods: A systematic search of the literature according to the PRISMA guidelines was conducted on the databases Pubmed, Web of Science, Cochrane Library, SportDiscus, and PsycInfo from their inception date till March 2021. Additionally, Google Scholar and refence lists of relevant publications were searched. A descriptive analysis of results was conducted. Results: The literature search identified a total of N = 1,215 records, 11 of which met the inclusion criteria and were analyzed in this review. A total of 621 participants aged 4 to 15 years participated in the studies. Exercise interventions included sport-specific activities, motor-coordinative exercises, high-intensity functional training or spatial orientation/navigation training. Five studies evaluated training effects on mental rotation performance (i.e., Mental Rotation Test), four studies investigated visuo-spatial working memory function/spatial memory (i.e., Corsi Block Test, Virtual Reality Morris Water Maze) and two studies tested spatial orientation capacity (i.e., Orientation-Running Test). Overall, results show a potential for improvement of spatial abilities through physical exercise interventions. However, keeping the diversity of study designs, populations and outcomes in mind, findings need to be interpreted with care. Conclusions: Despite growing interest on the effects of physical exercise interventions on spatial abilities and promising findings of available studies, evidence to date remains limited. Future research is needed to establish how spatial ability development of healthy children and adolescents can be positively supported.
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Affiliation(s)
- Christina Morawietz
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Essen, Germany
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García-Liñeira J, Leirós-Rodríguez R, Romo-Pérez V, García-Soidán JL. Sex differences in postural control under unstable conditions in schoolchildren with accelerometric assessment. Gait Posture 2021; 87:81-86. [PMID: 33894466 DOI: 10.1016/j.gaitpost.2021.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 03/09/2021] [Accepted: 04/15/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Although the effects of balance training on unstable surfaces have been widely studied, the impact of exposure to an unstable surface in static balance throughout childhood has not been described to date. RESEARCH QUESTION How does postural stability vary between sexes in children 6-12 years of age during single leg static support on unstable surface? What are the normative values of centre of mass acceleration in the mentioned age range during such test? Is the postural stability on an unstable surface in the postural control of children aged 6-12 years during static single-leg stance. Secondarily, the normative acceleration values of the gravity centre, recorded during such tests and throughout the mentioned age range, were also provided. METHODS Descriptive, transversal study conducted with a total of 316 school children (girls = 158). The analysed variables were the mean and maximum values obtained in each of the three body axes and their root mean square during static single-leg support test on an unstable surface (a mat). FINDINGS Accelerations decreased in magnitude with the increasing age of the participants. The highest accelerometric values were recorded in the medio-lateral axis in both sexes and throughout the entire age range studied. Between sexes, the greatest differences were obtained between 8 and 11 year-olds. The regression models revealed significant values about the influence of sex on the accelerometric variables (girls were more likely to obtain less accelerations in postural adjustments with increasing age). INTERPRETATION Boys depend more on somatoaesthetic information, whereas girls would use more visual and vestibular information. In the age range of 8-11 years, the postural control system is significantly different between sexes regarding the hierarchy of the efferent information of the available postural control subsystems. Moreover, the reactions of straightening and postural control on single-leg stance are, fundamentally, flexion-extension movements.
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Affiliation(s)
- Jesús García-Liñeira
- Faculty of Education and Sport Sciences, Universitdade de Vigo, Campus a Xunqueira, s/n., 36005, Pontevedra, Spain.
| | - Raquel Leirós-Rodríguez
- SALBIS Research Group. Faculty of Health Sciences, Nursing and Physical Therapy Department. Universidad de León, Astorga Ave. 15, 24401, Ponferrada, Spain.
| | - Vicente Romo-Pérez
- Faculty of Education and Sport Sciences, Universidade de Vigo, Campus a Xunqueira, s/n., 36005, Pontevedra, Spain.
| | - Jose L García-Soidán
- Faculty of Education and Sport Sciences, Universidade de Vigo, Campus a Xunqueira, s/n., 36005, Pontevedra, Spain.
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Acute effects of different balance exercise types on selected measures of physical fitness in youth female volleyball players. BMC Sports Sci Med Rehabil 2021; 13:29. [PMID: 33743814 PMCID: PMC7981889 DOI: 10.1186/s13102-021-00249-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 02/22/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND Earlier studies have shown that balance training (BT) has the potential to induce performance enhancements in selected components of physical fitness (i.e., balance, muscle strength, power, speed). While there is ample evidence on the long-term effects of BT on components of physical fitness in youth, less is known on the short-term or acute effects of single BT sessions on selected measures of physical fitness. OBJECTIVE To examine the acute effects of different balance exercise types on balance, change-of-direction (CoD) speed, and jump performance in youth female volleyball players. METHODS Eleven female players aged 14 years participated in this study. Three types of balance exercises (i.e., anterior, posterolateral, rotational type) were conducted in randomized order. For each exercise, 3 sets including 5 repetitions were performed. Before and after the performance of the balance exercises, participants were tested for their static balance (center of pressure surface area [CoP SA] and velocity [CoP V]) on foam and firm surfaces, CoD speed (T-Half test), and vertical jump height (countermovement jump [CMJ] height). A 3 (condition: anterior, mediolateral, rotational balance exercise type) × 2 (time: pre, post) analysis of variance was computed with repeated measures on time. RESULTS Findings showed no significant condition × time interactions for all outcome measures (p > 0.05). However, there were small main effects of time for CoP SA on firm and foam surfaces (both d = 0.38; all p < 0.05) with no effect for CoP V on both surface conditions (p > 0.05). For CoD speed, findings showed a large main effect of time (d = 0.91; p < 0.001). However, for CMJ height, no main effect of time was observed (p > 0.05). CONCLUSIONS Overall, our results indicated small-to-large changes in balance and CoD speed performances but not in CMJ height in youth female volleyball players, regardless of the balance exercise type. Accordingly, it is recommended to regularly integrate balance exercises before the performance of sport-specific training to optimize performance development in youth female volleyball players. TRIAL REGISTRATION This study does not report results related to health care interventions using human participants and therefore it was not prospectively registered.
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Sekulic D, Prus D, Zevrnja A, Peric M, Zaletel P. Predicting Injury Status in Adolescent Dancers Involved in Different Dance Styles: A Prospective Study. CHILDREN-BASEL 2020; 7:children7120297. [PMID: 33339342 PMCID: PMC7765997 DOI: 10.3390/children7120297] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/11/2020] [Accepted: 12/15/2020] [Indexed: 11/25/2022]
Abstract
The positive effects of dance on health indices in youth are widely recognized, but participation in dance is accompanied with a certain risk of injury. This prospective study aimed to investigate injury occurrence and to evaluate the possible influences of specific predictors on the occurrence of musculoskeletal problems and injuries in adolescent dancers. Participants were 126 dancers (21 males; 11–18 years), who were competitors in the urban dance, rock and roll, and standard/Latin dance genres. Predictors included sociodemographic factors, anthropometric/body build indices, sport (dance) factors, and dynamic balance. The outcome variable was injury status, and this was evaluated by the Oslo Sports Trauma Research Centre Overuse Injury Questionnaire (OSTRC). Predictors were evaluated at baseline, and outcomes were continuously monitored during the study period of 3 months. During the study course, 53% of dancers reported the occurrence of a musculoskeletal problem/injury, and dancers suffered from an average of 0.72 injuries over the study period (95% CI: 0.28–1.41), giving a yearly injury rate of 280%. Gender and dance styles were not significantly related to the occurrence of injury. Higher risk for injury was evidenced in older and more experienced dancers. Dynamic balance, as measured by the Star Excursion Balance Test (SEBT), was a significant protective factor of injury occurrence, irrespective of age/experience in dance. Knowing the simplicity and applicability of the SEBT, continuous monitoring of dynamic balance in adolescent dancers is encouraged. In order to prevent the occurrence of musculoskeletal problems/injuries in youth dancers, we suggest the incorporation of specific interventions aimed at improving dynamic balance.
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Affiliation(s)
- Damir Sekulic
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia;
- Correspondence:
| | - Dasa Prus
- Faculty of Sport, University of Ljubljana, 1000 Ljubljana, Slovenia; (D.P.); (P.Z.)
| | | | - Mia Peric
- Faculty of Kinesiology, University of Split, 21000 Split, Croatia;
| | - Petra Zaletel
- Faculty of Sport, University of Ljubljana, 1000 Ljubljana, Slovenia; (D.P.); (P.Z.)
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Sebastia-Amat S, Ardigò LP, Jimenez-Olmedo JM, Pueo B, Penichet-Tomas A. The Effect of Balance and Sand Training on Postural Control in Elite Beach Volleyball Players. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E8981. [PMID: 33276623 PMCID: PMC7730922 DOI: 10.3390/ijerph17238981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 11/29/2020] [Accepted: 12/01/2020] [Indexed: 11/27/2022]
Abstract
The aim of this work was to evaluate the effectiveness of a 12-week-long balance training program on the postural control of elite male beach volleyball players and the effect on balance when swapping to specific sports training in the sand in the following 12 weeks. Six elite players were tested before and after the balance training program and also 12 weeks after the balance training had finished. To this aim, a pressure platform was used to collect the following center of pressure parameters: path length, speed, mean position, and root-mean-square amplitude in the medial-lateral and anteroposterior planes. Romberg quotients for the center of pressure parameters were also calculated. The results of the present study showed better static postural control after specific balance training: smaller path length and speed under open eyes condition in dominant (p = 0.015; p = 0.009, respectively) and non-dominant monopedal stances (p = 0.005; p = 0.004, respectively). Contrastingly, 12 weeks after the balance training program, the path length and speed values under open eyes condition in bipedal stance increased significantly (p = 0.045; p = 0.004, respectively) for sand training. According to our results, balance training is effective to achieve positive balance test scores. It is speculated, and yet to be proven, that sand training could be effective to improve dynamic and open eyes postural control during beach volleyball practice. In beach volleyball players, a balance training program is effective to develop static balance but the effect of ecological sand training on dynamic performance deserves specific investigation.
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Affiliation(s)
- Sergio Sebastia-Amat
- Physical Education and Sport Sciences, Faculty of Education, University of Alicante, 03690 Alicante, Spain; (S.S.-A.); (J.M.J.-O.); (A.P.-T.)
| | - Luca Paolo Ardigò
- Department of Neurosciences, Biomedicine and Movement Sciences, School of Exercise and Sport Science, University of Verona, 37131 Verona, Italy;
| | - Jose Manuel Jimenez-Olmedo
- Physical Education and Sport Sciences, Faculty of Education, University of Alicante, 03690 Alicante, Spain; (S.S.-A.); (J.M.J.-O.); (A.P.-T.)
| | - Basilio Pueo
- Physical Education and Sport Sciences, Faculty of Education, University of Alicante, 03690 Alicante, Spain; (S.S.-A.); (J.M.J.-O.); (A.P.-T.)
| | - Alfonso Penichet-Tomas
- Physical Education and Sport Sciences, Faculty of Education, University of Alicante, 03690 Alicante, Spain; (S.S.-A.); (J.M.J.-O.); (A.P.-T.)
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Schedler S, Tenelsen F, Wich L, Muehlbauer T. Effects of balance training on balance performance in youth: role of training difficulty. BMC Sports Sci Med Rehabil 2020; 12:71. [PMID: 33292455 PMCID: PMC7684745 DOI: 10.1186/s13102-020-00218-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 11/04/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND Cross-sectional studies have shown that balance performance can be challenged by the level of task difficulty (e.g., varying stance conditions, sensory manipulations). However, it remains unclear whether the application of different levels of task difficulty during balance training (BT) leads to altered adaptations in balance performance. Thus, we examined the effects of BT conducted under a high versus a low level of task difficulty on balance performance. METHODS Forty male adolescents were randomly assigned to a BT program using a low (BT-low: n = 20; age: 12.4 ± 2.0 yrs) or a high (BT-high: n = 20; age: 12.5 ± 2.5 yrs) level of balance task difficulty. Both groups trained for 7 weeks (2 sessions/week, 30-35 min each). Pre- and post-training assessments included measures of static (one-legged stance [OLS] time), dynamic (10-m gait velocity), and proactive (Y-Balance Test [YBT] reach distance, Functional Reach Test [FRT]; Timed-Up-and-Go Test [TUG]) balance. RESULTS Significant main effects of Test (i.e., pre- to post-test improvements) were observed for all but one balance measure (i.e., 10-m gait velocity). Additionally, a Test x Group interaction was detected for the FRT in favor of the BT-high group (Δ + 8%, p < 0.001, d = 0.35). Further, tendencies toward significant Test x Group interactions were found for the YBT anterior reach (in favor of BT-high: Δ + 9%, p < 0.001, d = 0.60) and for the OLS with eyes opened and on firm surface (in favor of BT-low: Δ + 31%, p = 0.003, d = 0.67). CONCLUSIONS Following 7 weeks of BT, enhancements in measures of static, dynamic, and proactive balance were observed in the BT-high and BT-low groups. However, BT-high appears to be more effective for increasing measures of proactive balance, whereas BT-low seems to be more effective for improving proxies of static balance. TRIAL REGISTRATION Current Controlled Trials ISRCTN83638708 (Retrospectively registered 19th June, 2020).
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Affiliation(s)
- Simon Schedler
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141, Essen, Germany.
| | - Florian Tenelsen
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141, Essen, Germany
| | - Laura Wich
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141, Essen, Germany
| | - Thomas Muehlbauer
- Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141, Essen, Germany
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Schedler S, Brock K, Fleischhauer F, Kiss R, Muehlbauer T. Effects of Balance Training on Balance Performance in Youth: Are There Age Differences? RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2020; 91:405-414. [PMID: 31906801 DOI: 10.1080/02701367.2019.1676371] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/25/2019] [Indexed: 06/10/2023]
Abstract
Purpose: In youth, cross-sectional studies reported age differences in balance performance that were in favor of adolescents. Thus, trainability of balance performance might be different in children compared to adolescents. The purpose of this study was therefore to compare the effects of balance training (BT) on balance performance between children and adolescents.Method: Thirty children (7.5 ± 0.5 years) and 42 adolescents (14.7 ± 0.5 years) participated in this study and were assigned to either a BT-group or a control (CON) group. In both age groups, BT was conducted over five weeks while the CON-groups received their regular physical education lessons. Pre- and posttests included the assessment of mobility, static steady-state, proactive, and reactive balance.Results: Significant Test × Group × Age interactions were found for static steady-state balance (i.e., CoP displacements during single leg stance) and mobility (i.e., 10-m gait velocity). For both measures, post hoc analysis revealed larger improvements (+16-37%, 0.001 ≤ p ≤ 0.033, 0.65 ≤ d ≤ 2.24) for children compared to adolescents. For proxies of proactive and reactive balance, we could not detect significant Test × Group × Age interactions.Conclusions: We conclude that trainability of static steady-state balance and mobility seems to be higher in children than in adolescents indicating larger adaptive reserves in children compared to adolescents. However, there were no age differences in adaptations to BT with respect to proactive and reactive balance.
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Affiliation(s)
| | | | | | - Rainer Kiss
- FHM Bielefeld - University of Applied Sciences
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Pohl T, Brauner T, Wearing S, Horstmann T. Limb movement, coordination and muscle activity during a cross-coordination movement on a stable and unstable surface. Gait Posture 2020; 81:131-137. [PMID: 32888551 DOI: 10.1016/j.gaitpost.2020.07.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 07/02/2020] [Accepted: 07/20/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND At a clinical level, the intensity of dynamic balance tasks incorporating cross-coordination movements (CCM) is typically progressed by changing the stability of the support surface on which the movement is undertaken. However, biomechanical changes in CCMs performed on stable and unstable surfaces have not yet been quantified. RESEARCH QUESTION Do movement patterns, muscle activity, coordination strategies, knee joint loading and center of mass (CoM) movement differ during a CCM performed on stable and unstable surfaces? METHODS Motion analysis was used to monitor limb kinematics and surface electromyography to analyze supporting leg muscle activity in sixteen healthy athletes during a single-limb support task involving a cyclic CCM on a stable and unstable surface. Angle-angle plots were used to explore coordination strategies in sagittal movement of the hip and shoulder, while differences in kinematics and muscle activity between stable and unstable conditions were evaluated using dependent t-tests (α-level = 0.05). RESULTS CCMs on an unstable surface were performed at a slower speed (p < .05), with a more flexed posture of the support knee (p < .05) and ankle (p < .05) and resulted in reduced hip and shoulder movement of the swing limbs (p < .05). Instability increased activation of selected muscles of the ankle and knee (p < .05), resulted in a two-fold increase in the peak knee adduction moment (p < .05), and was accompanied by greater CoM movement (p < .05). Three coordination patterns of the swing limbs observed when performing CCM on a stable surface, which were mostly preserved on the unstable surface. SIGNIFICANCE Despite adopting several stabilization strategies, CCM undertaken on an unstable surface still evoked greater excursion of the center of mass and, as such, presented a greater challenge to sensorimotor control. Adding instability in form of a swinging platform provides progression of dynamic balance CCM difficulty in an athletic population.
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Affiliation(s)
- Torsten Pohl
- Department of Sports- and Health Sciences, Conservative and Rehabilitative Orthopedics, Technical University Munich, Georg-Brauchle-Ring 60/62, 80992 Munich, Germany.
| | - Torsten Brauner
- Department of Sports- and Health Sciences, Conservative and Rehabilitative Orthopedics, Technical University Munich, Georg-Brauchle-Ring 60/62, 80992 Munich, Germany; Department of Sport Science, Germany University of Health & Sport, Steinheilstr. 4, 85737 Ismaning, Germany
| | - Scott Wearing
- Department of Sports- and Health Sciences, Conservative and Rehabilitative Orthopedics, Technical University Munich, Georg-Brauchle-Ring 60/62, 80992 Munich, Germany; Institute of Health and Biomedical Innovation, Queensland University of Technology, GPO Box 2434, Brisbane QLD 4001, Australia
| | - Thomas Horstmann
- Department of Sports- and Health Sciences, Conservative and Rehabilitative Orthopedics, Technical University Munich, Georg-Brauchle-Ring 60/62, 80992 Munich, Germany; Medical Park Bad Wiessee St. Hubertus, Sonnenfeldweg 29, 83707 Bad Wiessee, Germany
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Van Hooren B, De Ste Croix M. Sensitive Periods to Train General Motor Abilities in Children and Adolescents: Do They Exist? A Critical Appraisal. Strength Cond J 2020. [DOI: 10.1519/ssc.0000000000000545] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Imbiriba LA, Correia MRA, Farias SG, Silva JM, da Nobrega Ferreira I, Cavalcanti Garcia MA, Sperandei S, Macedo ARD. What we know so far about postural balance training: An exploratory scoping review of nomenclature and related issues. J Bodyw Mov Ther 2020; 24:227-234. [DOI: 10.1016/j.jbmt.2020.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 12/17/2019] [Accepted: 02/17/2020] [Indexed: 10/24/2022]
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Gebel A, Prieske O, Behm DG, Granacher U. Effects of Balance Training on Physical Fitness in Youth and Young Athletes: A Narrative Review. Strength Cond J 2020. [DOI: 10.1519/ssc.0000000000000548] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Schedler S, Brueckner D, Kiss R, Muehlbauer T. Effect of practice on learning to maintain balance under dynamic conditions in children: are there sex differences? BMC Sports Sci Med Rehabil 2020; 12:15. [PMID: 32166038 PMCID: PMC7059683 DOI: 10.1186/s13102-020-00166-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 02/24/2020] [Indexed: 11/15/2022]
Abstract
Background In youth, sex-related differences in balance performances have been reported with girls usually outperforming same-aged boys. However, it is not known whether sex also has an influence on learning of a new balance task in primary school-aged children. Therefore, the present study investigated sex-related differences in children learning to maintain balance under dynamic conditions. Methods Thirty-two children (16 girls, 16 boys) aged 8.5 ± 0.5 years practiced balancing on a stabilometer (i.e., to keep it as horizontal as possible) for seven trials (90 s each) on two consecutive days. Knowledge of results (KR) (i.e., time in balance) was provided after each trial. On day three learning was assessed using a retention test (i.e., balance task only) and a test of automation (i.e., balance plus concurrent motor interference task). Root-mean-square-error (RMSE) was recorded for all trials and used for further analysis. Results During practicing (Day 1, Day 2) RMSE values significantly decreased over the days (p = 0.019, d = 0.92) and trials (p = 0.003, d = 0.70) in boys and girls. Further, the main effect of sex showed a tendency toward significance (p = 0.082, d = 0.67). On day 3, the girls showed significantly smaller RMSE values compared to boys in the retention (p = 0.012, d = 1.00) and transfer test (p = 0.045, d = 0.74). Conclusions Performance increases during the acquisition phase tended to be larger in girls than in boys. Further, learning (i.e., retention and automation) was significantly larger in girls compared to boys. Therefore, practitioners (e.g., teachers, coaches) should supply boys and grils with balance exercises of various task difficulties and complexities to address their diverse learning progress.
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Affiliation(s)
- Simon Schedler
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Dennis Brueckner
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Rainer Kiss
- Department of Health and Social Affairs, FHM Bielefeld - University of Applied Sciences, Bielefeld, Germany
| | - Thomas Muehlbauer
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
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Gebel A, Lüder B, Granacher U. Effects of Increasing Balance Task Difficulty on Postural Sway and Muscle Activity in Healthy Adolescents. Front Physiol 2019; 10:1135. [PMID: 31551811 PMCID: PMC6733969 DOI: 10.3389/fphys.2019.01135] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022] Open
Abstract
Evidence-based prescriptions for balance training in youth have recently been established. However, there is currently no standardized means available to assess and quantify balance task difficulty (BTD). Therefore, the objectives of this study were to examine the effects of graded BTD on postural sway, lower limb muscle activity and coactivation in adolescents. Thirteen healthy high-school students aged 16 to 17 volunteered to participate in this cross-sectional study. Testing involved participants to stand on a commercially available balance board with an adjustable pivot that allowed six levels of increasing task difficulty. Postural sway [i.e., total center of pressure (CoP) displacements] and lower limb muscle activity were recorded simultaneously during each trial. Surface electromyography (EMG) was applied in muscles encompassing the ankle (m. tibialis anterior, medial gastrocnemius, peroneus longus) and knee joint (m. vastus medialis, biceps femoris). The coactivation index (CAI) was calculated for ankle and thigh muscles. Repeated measures analyses of variance revealed a significant main effect of BTD with increasing task difficulty for postural sway (p < 0.001; d = 6.36), muscle activity (p < 0.001; 2.19 < d < 4.88), and CAI (p < 0.001; 1.32 < d < 1.41). Multiple regression analyses showed that m. tibialis anterior activity best explained overall CoP displacements with 32.5% explained variance (p < 0.001). The observed increases in postural sway, lower limb muscle activity, and coactivation indicate increasing postural demands while standing on the balance board. Thus, the examined board can be implemented in balance training to progressively increase BTD in healthy adolescents.
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Affiliation(s)
- Arnd Gebel
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany
| | - Benjamin Lüder
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany
| | - Urs Granacher
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany
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Muehlbauer T, Wagner V, Brueckner D, Schedler S, Schwiertz G, Kiss R, Hagen M. Effects of a blocked versus an alternated sequence of balance and plyometric training on physical performance in youth soccer players. BMC Sports Sci Med Rehabil 2019; 11:18. [PMID: 31497301 PMCID: PMC6717983 DOI: 10.1186/s13102-019-0131-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 08/22/2019] [Indexed: 11/22/2022]
Abstract
Background The sequence of blocked balance training (BT) followed by blocked plyometric training (PT) showed greater improvements in physical performance than vice versa and is explained by a preconditioning effect of BT-related adaptations on subsequent adaptations induced by PT. However, it remains unclear whether beneficial effects can also be induced using alternating instead of blocked BT and PT exercise sequences. Thus, we examined the effects of a blocked versus an alternated sequence of BT and PT on physical performance in trained individuals. Methods Twenty young soccer players (13 years) were randomly assigned to a blocked (n = 10) or an alternated (n = 10) intervention group. Both groups trained balance and plyometric exercises for six weeks (two sessions/week). The exercises were conducted in a blocked (three weeks of BT followed by three weeks of PT) or an alternated sequence (weekly change of BT and PT). Assessment of pre- and post-training performance included measures of balance, muscle power, speed, and agility. Results Mainly significant main effects of Test (i.e., pre- to post-test improvements) were observed for the Y-balance test (p ≤ 0.014, 1.3 ≤ Cohen’s d ≤ 1.81), the squat jump (p = 0.029, d = 1.36), the countermovement jump (p = 0.002, d = 2.21), the drop jump (p = 0.004, d = 1.96), the split times/total time over 15-m sprinting (p ≤ 0.001, 2.02 ≤ d ≤ 3.08), and the figure-T agility run (p < 0.001, d = 3.80). Further, tendencies toward significant Test x Group interactions were found for several items of the Y-balance test and for SJ height in favor of the blocked BTPT group. Conclusions Our results indicate that the combined training of balance and plyometric exercises is effective to improve proxies of physical performance in youth soccer players. In addition, there is a limited advantage in some parameters of balance and muscle power for the blocked as compared to the alternated sequence of BT and PT.
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Affiliation(s)
- Thomas Muehlbauer
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Vincent Wagner
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Dennis Brueckner
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Simon Schedler
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Gerrit Schwiertz
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
| | - Rainer Kiss
- Department of Health and Social Affairs, FHM Bielefeld - University of Applied Sciences, Bielefeld, Germany
| | - Marco Hagen
- 1Division of Movement and Training Sciences/Biomechanics of Sport, University of Duisburg-Essen, Gladbecker Str. 182, 45141 Essen, Germany
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Madadi-Shad M, Jafarnezhadgero A, Zago M, Granacher U. Effects of varus knee alignment on gait biomechanics and lower limb muscle activity in boys: A cross sectional study. Gait Posture 2019; 72:69-75. [PMID: 31173948 DOI: 10.1016/j.gaitpost.2019.05.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 05/21/2019] [Accepted: 05/30/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND There is evidence that frontal plane lower limb malalignment (e.g., genu varus) is a risk factor for knee osteoarthritis development. However, only scarce information is available on gait biomechanics and muscle activity in boys with genu varus. RESEARCH QUESTION To examine the effects of knee varus alignment on lower limb kinematics, kinetics and muscular activity during walking at self-selected speed in boys with genu varus versus healthy age-matched controls. METHODS Thirty-six boys were enrolled in this study and divided into a group of boys with genu varus (n = 18; age: 11.66 ± 1.64 years) and healthy controls (n = 18; age: 11.44 ± 1.78 years). Three-dimensional kinematics, ground reaction forces, loading rates, impulses and free moments of both limbs were recorded during five walking trials at self-selected speed. Surface electromyography was recorded for rectus femoris and vastus lateralis/medialis muscles. RESULTS No significant between-group differences were found for gait speed. Participants in the genu varus group versus controls showed larger peak knee flexion (p = 0.030; d = 0.77), peak knee adduction (p < 0.001; d = 1.63), and peak ankle eversion angles (p < 0.001; d = 2.06). Significantly higher peak ground reaction forces were found at heel contact (vertical [p = 0.002; d = 1.16] and posterior [p < 0.001; d = 1.63] components) and at push off (vertical [p = 0.010; d = 0.93] and anterior [p < 0.001; d = 1.34] components) for genu varus versus controls. Peak medial ground reaction force (p = 0.032; d = 0.76), vertical loading rate (p < 0.001; d = 1.52), anterior-posterior impulse (p = 0.011; d = 0.92), and peak negative free moment (p = 0.030; d = 0.77) were significantly higher in genu varus. Finally, time to reach peak forces was significantly shorter in genu varus boys compared with healthy controls (p < 0.01; d = 0.73-1.60). The genu varus group showed higher activities in vastus lateralis (p < 0.001; d = 1.82) and vastus medialis (p = 0.013; d = 0.90) during the loading phase of walking. SIGNIFICANCE Our study revealed genu varus specific gait characteristics and muscle activities. Greater knee adduction angle in genu varus boys may increase the load on the medial compartment of the knee joint. The observed characteristics in lower limb biomechanics and muscle activity could play a role in the early development of knee osteoarthritis in genu varus boys.
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Affiliation(s)
| | - AmirAli Jafarnezhadgero
- Department of Physical Education and Sport Sciences, University of Mohaghegh Ardabili, Ardabil, Iran.
| | - Matteo Zago
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milano, Italy.
| | - Urs Granacher
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany.
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Castoldi RC, Ozaki GAT, Garcia TA, Giometti IC, Koike TE, Camargo RCT, Dos Santos Pereira JDA, Constantino CJL, Louzada MJQ, Camargo Filho JCS, Belangero WD. Effects of muscular strength training and growth hormone (GH) supplementation on femoral bone tissue: analysis by Raman spectroscopy, dual-energy X-ray absorptiometry, and mechanical resistance. Lasers Med Sci 2019; 35:345-354. [PMID: 31201667 DOI: 10.1007/s10103-019-02821-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 05/29/2019] [Indexed: 12/23/2022]
Abstract
The aim of the present study was to verify the effects of muscular strength training and growth hormone (GH) supplementation on femoral bone tissue by Raman spectroscopy (Raman), dual-energy X-ray absorptiometry (DXA), and mechanical resistance (F-max) analysis. A total of 40 male Wistar animals, 60 days old, were used. The animals were distributed into four groups: control (C), control with GH (GHC), muscular strength training (T), and muscular strength training with GH (GHT). Blood samples were collected for the quantification of creatine kinase (CK-MB) and the femurs were removed for analysis by Raman, DXA, and F-max. A more pronounced increase in the bone mineral components was verified in the T group, for all the variables obtained by the Raman (calcium, phosphate, amide, and collagen). In addition, for animals submitted to GH supplementation, there was a reduction in the variable bone mineral density (BMD) obtained by the DXA (p < 0.05). Finally, the animals that received GH supplementation presented a higher F-max, but without statistical significance (p > 0.05). It was concluded that animals that received GH supplementation demonstrated a decrease in BMD. In addition, T alone was able to promote increased calcium, phosphate, amide, and collagen compounds in bone tissue.
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Affiliation(s)
- Robson Chacon Castoldi
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil.
- Department of Physical Education, Universidade do Oeste Paulista - UNOESTE, Raposo Tavares Road, km 572 - Neighbor: Limoeiro, Presidente Prudente City, State of São Paulo, 19.067-175, Brazil.
- Laboratório de Análise da Plasticidade Muscular - LAPMUS, UNESP/FCT - Campus de Presidente Prudente, Rua Roberto Simonsen, 305, Bairro: Centro Educacional, Presidente Prudente, SP, 19060-900, Brazil.
| | - Guilherme Akio Tamura Ozaki
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil
| | - Thiago Alves Garcia
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil
| | - Ines Cristina Giometti
- Faculty of Veterinary Medicine, Universidade do Oeste Paulista - UNOESTE, Raposo Tavares Road, km 572 - Neighbor: Limoeiro, Presidente Prudente City, State of São Paulo, 19.067-175, Brazil
| | - Tatiana Emy Koike
- Department of Physical Therapy, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - Regina Celi Trindade Camargo
- Department of Physical Therapy, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - João Domingos Augusto Dos Santos Pereira
- Department of Physics, Chemistry, and Biology, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - Carlos José Leopoldo Constantino
- Department of Physics, Chemistry, and Biology, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - Mário Jefferson Quirino Louzada
- Department of Animal Support, Production, and Health, Universidade Estadual Paulista- UNESP, campus de Araçatuba. Clóvis Pestana Street, 793. Neighbor: Ipanema, Araçatuba City, State of São Paulo, 16050-680, Brazil
| | - José Carlos Silva Camargo Filho
- Department of Physical Therapy, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - William Dias Belangero
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil
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Rogge AK, Hötting K, Nagel V, Zech A, Hölig C, Röder B. Improved balance performance accompanied by structural plasticity in blind adults after training. Neuropsychologia 2019; 129:318-330. [PMID: 31004689 DOI: 10.1016/j.neuropsychologia.2019.04.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 03/18/2019] [Accepted: 04/13/2019] [Indexed: 12/25/2022]
Abstract
Postural control requires the sensory integration of visual, vestibular, and proprioceptive signals. In the absence of vision, either by blindfolding or in blind individuals, balance performance is typically poorer than with sight. Previous research has suggested that despite showing compensatory vestibular and proprioceptive processing during upright standing, balance performance in blind individuals is overall lower than in sighted controls with eyes open. The present study tested whether balance training, which places demands on vestibular and proprioceptive self-motion perception, improves balance performance in blind adults, and whether we find similar structural correlates in cortical and subcortical brain areas as have been reported in sighted individuals. Fourteen congenitally or late blind adults were randomly assigned to either a balance or a relaxation group and exercised twice a week for 12 weeks. Assessments prior to and after training included balance tests and the acquisition of T1-weighted MRI images. The blind balance group significantly improved in dynamic, static, and functional balance performance compared to the blind relaxation group. The balance performance improvement did not differ from that of age- and gender matched sighted adults after balance training. Cortical thickness increased in the left parahippocampus and decreased in the inferior insula bilaterally in the blind balance group compared to the blind relaxation group. Thickness decreases in the insula were related to improved static and functional balance. Gray matter volume was reduced in the left hippocampus proper and increased in the right subiculum in the blind balance group. The present data suggest that impaired balance performance in blind adults can be significantly improved by a training inducing plasticity in brain regions associated with vestibular and proprioceptive self-motion processing.
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Affiliation(s)
- Ann-Kathrin Rogge
- Universität Hamburg, Biological Psychology and Neuropsychology, Von-Melle-Park 11, 20146, Hamburg, Germany.
| | - Kirsten Hötting
- Universität Hamburg, Biological Psychology and Neuropsychology, Von-Melle-Park 11, 20146, Hamburg, Germany.
| | - Volker Nagel
- Universität Hamburg, Sports Medicine, Turmweg 2, 20146, Hamburg, Germany.
| | - Astrid Zech
- Friedrich Schiller University, Human Movement Science, Seidelstraße 20, 07749, Jena, Germany.
| | - Cordula Hölig
- Friedrich Schiller University, Human Movement Science, Seidelstraße 20, 07749, Jena, Germany.
| | - Brigitte Röder
- Universität Hamburg, Biological Psychology and Neuropsychology, Von-Melle-Park 11, 20146, Hamburg, Germany.
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Huang J, Zheng Y, Gao D, Hu M, Yuan T. Effects of Exercise on Depression, Anxiety, Cognitive Control, Craving, Physical Fitness and Quality of Life in Methamphetamine-Dependent Patients. Front Psychiatry 2019; 10:999. [PMID: 32047445 PMCID: PMC6997340 DOI: 10.3389/fpsyt.2019.00999] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/17/2019] [Indexed: 01/23/2023] Open
Abstract
Methamphetamine (MA) abuse results in a variety of harmful changes in mood states and cognitive function, together with declined physical health and quality of life. Recent studies highlighted the therapeutic potential of physical exercise on MA addiction. Physical exercise improves emotional state and general health conditions, enhances cognitive function, reduces relapse rate, and facilitates abstinence, thereby improves the overall quality of life of the drug users. This review summarizes the present situation of physical exercise on MA-dependent patients with both animal and clinical population results.
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Affiliation(s)
- Junhao Huang
- Guangdong Provincial Key Laboratory of Sports and Health Promotion, Scientific Research Center, Guangzhou Sport University, Guangzhou, China
| | - Yuqing Zheng
- Guangdong Provincial Key Laboratory of Sports and Health Promotion, Scientific Research Center, Guangzhou Sport University, Guangzhou, China
| | - Dongdong Gao
- Guangdong Provincial Key Laboratory of Sports and Health Promotion, Scientific Research Center, Guangzhou Sport University, Guangzhou, China
| | - Min Hu
- Guangdong Provincial Key Laboratory of Sports and Health Promotion, Scientific Research Center, Guangzhou Sport University, Guangzhou, China
| | - Tifei Yuan
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
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Slimani M, Ramirez-Campillo R, Paravlic A, Hayes LD, Bragazzi NL, Sellami M. The Effects of Physical Training on Quality of Life, Aerobic Capacity, and Cardiac Function in Older Patients With Heart Failure: A Meta-Analysis. Front Physiol 2018; 9:1564. [PMID: 30483145 PMCID: PMC6241114 DOI: 10.3389/fphys.2018.01564] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 10/18/2018] [Indexed: 01/08/2023] Open
Abstract
Aim: The purposes of this meta-analysis were to quantify the effectiveness of physical training on quality of life (QoL), aerobic capacity, and cardiac functioning in older patients with heart failure (HF) and evaluate dose-response relationships of training variables (frequency, volume, and duration). Methods: Scholarly databases (e.g., PubMed/MEDLINE, Google Scholar, and Scopus) were searched, identifying randomized controlled trials that investigated the effectiveness of different training modes on QoL (assessed by the Minnesota Living with Heart Failure Questionnaire), aerobic capacity (assessed by the 6 min walk test) and cardiac function (assessed by left ventricular ejection fraction). Results: Twenty five studies were included with a total of 2,409 patients. Results showed that exercise training improved total QoL (small ES = -0.69; 95% CI -1.00 to 0.38; p < 0.001), aerobic capacity (small ES = 0.47; 95% CI 0.15-0.71; p = 0.002) and cardiac function (moderate ES = 0.91; 95% CI 0.37-1.45; p = 0.001). In addition, univariate analyses revealed the moderating variable 'training mode' significantly influenced aerobic capacity (Q = 9.97; p = 0.007), whereby, resistance training had the greatest effect (ES = 1.71; 95% CI 1.03-2.39; p < 0.001), followed by aerobic training (ES = 0.51; 95% CI 0.30-0.72; p < 0.001), and combined training (ES = 0.15; 95% CI -0.24 to 0.53; p = 0.45). Meta-regression analysis showed that only the duration of an intervention predicted the effect of physical training on QoL (coefficient = -0.027; p = 0.006), with shorter training durations (12 weeks) showing larger improvements. Conclusion: The present meta-analysis showed that physical training has positive effects on QoL, aerobic capacity, and cardiac function in older patients with HF. Practitioners should consider both training volume and mode when designing physical training programs in order to improve QoL and aerobic capacity in older patients with HF.
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Affiliation(s)
- Maamer Slimani
- Department of Health Sciences (DISSAL), School of Public Health, Genoa University, Genoa, Italy
| | - Rodrigo Ramirez-Campillo
- Laboratory of Human Performance, Department of Physical Activity Sciences, Research Nucleus in Health, Physical Activity and Sport, Universidad de Los Lagos, Osorno, Chile
| | - Armin Paravlic
- Science and Research Centre, Institute for Kinesiology Research, Garibaldijeva, Koper, Slovenia
| | - Lawrence D. Hayes
- Active Ageing Research Group, University of Cumbria, Lancaster, United Kingdom
| | - Nicola Luigi Bragazzi
- Department of Health Sciences (DISSAL), School of Public Health, Genoa University, Genoa, Italy
| | - Maha Sellami
- Sport Science Program, College of Arts and Sciences (QU-CAS), University of Qatar, Doha, Qatar
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Rogge AK, Röder B, Zech A, Hötting K. Exercise-induced neuroplasticity: Balance training increases cortical thickness in visual and vestibular cortical regions. Neuroimage 2018; 179:471-479. [PMID: 29959048 DOI: 10.1016/j.neuroimage.2018.06.065] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 06/21/2018] [Accepted: 06/24/2018] [Indexed: 12/21/2022] Open
Abstract
Physical exercise has been shown to induce structural plasticity in the human brain and to enhance cognitive functions. While previous studies focused on aerobic exercise, suggesting a link between increased cardiorespiratory fitness and exercise-induced neuroplasticity, recent findings have suggested that whole-body exercise with minor metabolic demands elicits beneficial effects on brain structure as well. In the present study, we tested if balance training, challenging the sensory-motor system and vestibular self-motion perception, induces structural plasticity. Thirty-seven healthy adults aged 19-65 years were randomly assigned to either a balance training or a relaxation training group. All participants exercised twice a week for 12 weeks. Assessments before and after the training included a balance test and the acquisition of high-resolution T1-weighted images to analyze morphological brain changes. Only the balance group significantly improved balance performance after training. Cortical thickness was increased in the superior temporal cortex, in visual association cortices, in the posterior cingulate cortex, in the superior frontal sulcus, and in the precentral gyri in the balance group, compared to the relaxation group. Moreover, there was evidence that the balance training resulted in decreased putamen volume. Improved balance performance correlated with the increase of precentral cortical thickness and the decrease in putamen volume. The results suggest that balance training elicits neuroplasticity in brain regions associated with visual and vestibular self-motion perception. As these regions are known for their role in spatial orienting and memory, stimulating visual-vestibular pathways during self-motion might mediate beneficial effects of physical exercise on cognition.
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Affiliation(s)
- Ann-Kathrin Rogge
- Universität Hamburg, Biological Psychology & Neuropsychology, Von-Melle-Park 11, 20146, Hamburg, Germany.
| | - Brigitte Röder
- Universität Hamburg, Biological Psychology & Neuropsychology, Von-Melle-Park 11, 20146, Hamburg, Germany.
| | - Astrid Zech
- Friedrich Schiller University, Human Movement Science, Seidelstraße 20, 07749, Jena, Germany.
| | - Kirsten Hötting
- Universität Hamburg, Biological Psychology & Neuropsychology, Von-Melle-Park 11, 20146, Hamburg, Germany.
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Lüder B, Kiss R, Granacher U. Single- and Dual-Task Balance Training Are Equally Effective in Youth. Front Psychol 2018; 9:912. [PMID: 29928248 PMCID: PMC5997822 DOI: 10.3389/fpsyg.2018.00912] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 05/18/2018] [Indexed: 11/16/2022] Open
Abstract
Due to maturation of the postural control system and secular declines in motor performance, adolescents experience deficits in postural control during standing and walking while concurrently performing cognitive interference tasks. Thus, adequately designed balance training programs may help to counteract these deficits. While the general effectiveness of youth balance training is well-documented, there is hardly any information available on the specific effects of single-task (ST) versus dual-task (DT) balance training. Therefore, the objectives of this study were (i) to examine static/dynamic balance performance under ST and DT conditions in adolescents and (ii) to study the effects of ST versus DT balance training on static/dynamic balance under ST and DT conditions in adolescents. Twenty-eight healthy girls and boys aged 12-13 years were randomly assigned to either 8 weeks of ST or DT balance training. Before and after training, postural sway and spatio-temporal gait parameters were registered under ST (standing/walking only) and DT conditions (standing/walking while concurrently performing an arithmetic task). At baseline, significantly slower gait speed (p < 0.001, d = 5.1), shorter stride length (p < 0.001, d = 4.8), and longer stride time (p < 0.001, d = 3.8) were found for DT compared to ST walking but not standing. Training resulted in significant pre-post decreases in DT costs for gait velocity (p < 0.001, d = 3.1), stride length (-45%, p < 0.001, d = 2.4), and stride time (-44%, p < 0.01, d = 1.9). Training did not induce any significant changes (p > 0.05, d = 0-0.1) in DT costs for all parameters of secondary task performance during standing and walking. Training produced significant pre-post increases (p = 0.001; d = 1.47) in secondary task performance while sitting. The observed increase was significantly greater for the ST training group (p = 0.04; d = 0.81). For standing, no significant changes were found over time irrespective of the experimental group. We conclude that adolescents showed impaired DT compared to ST walking but not standing. ST and DT balance training resulted in significant and similar changes in DT costs during walking. Thus, there appears to be no preference for either ST or DT balance training in adolescents.
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Affiliation(s)
- Benjamin Lüder
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany
| | - Rainer Kiss
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany
- Department of Geriatrics, AGAPLESION Bethanien Heidelberg, Heidelberg University, Heidelberg, Germany
| | - Urs Granacher
- Division of Training and Movement Sciences, Research Focus Cognition Sciences, University of Potsdam, Potsdam, Germany
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