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Juan-Recio C, Prat-Luri A, Barbado D, Vera-Garcia FJ, Moreno-Pérez V. Reliability of a Trunk Flexion and Extensor Muscle Strength Test with Hand-Held and Isokinetic Dynamometers in Female Athletes. J Hum Kinet 2024; 92:43-52. [PMID: 38736593 PMCID: PMC11079922 DOI: 10.5114/jhk/172640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 09/20/2023] [Indexed: 05/14/2024] Open
Abstract
An accurate trunk muscle strength assessment seems very important to design and individualize training and rehabilitation programs in clinical and sport settings. Hand-held dynamometers (HHDs) are interesting alternatives to isokinetic dynamometers for assessing trunk isometric muscle strength because they are inexpensive instruments and easy to use. This cross-sectional observational study aimed to examine the reliability of two novel sitting tests for assessing trunk flexion and extension isometric strength using an HHD and their relationship with two other novel isometric tests that use an isokinetic dynamometer. Twenty-four female amateur athletes (age: 24.5 ± 2.64 years; body height: 164.45 ± 6.33 cm; body mass: 63.17 ± 10.35 kg) participated in this study. A test-retest design was carried out one-week apart to examine the reliability. The relationship and the degree of agreement between the HHD and the isokinetic dynamometer measurements were analysed using Pearson correlation and Bland-Altman analysis, respectively. In general, the reliability of all isometric strength tests was good, with ICCs ranging from 0.65 to 0.87 and typical error < 15%. Pearson correlations were moderate, with values of r = 0.47 (R2 = 0.22) and r = 0.42 (R2 = 0.18) for flexion and extension strength, respectively. Bland-Altman plots showed no agreement between HHDs and isokinetic measurements. All trunk isometric tests using both, an isokinetic dynamometer and HHDs, provide reliable measurements for assessing trunk flexion and extension strength. According to the comparative analysis, both measurement types are different and cannot be used interchangeably. Health and sport professionals should choose the test that best suits the biomechanical characteristics required for functional goals or success in a given sport.
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Affiliation(s)
- Casto Juan-Recio
- Sports Research Centre, Department of Sports Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - Amaya Prat-Luri
- Sports Research Centre, Department of Sports Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - David Barbado
- Sports Research Centre, Department of Sports Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - Francisco J. Vera-Garcia
- Sports Research Centre, Department of Sports Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - Víctor Moreno-Pérez
- Sports Research Centre, Department of Sports Sciences, Miguel Hernández University of Elche, Alicante, Spain
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De Los Ríos-Calonge J, Barbado D, Prat-Luri A, Juan-Recio C, Heredia-Elvar JR, Elvira JLL, Vera-Garcia FJ. Are trunk stability and endurance determinant factors for whole-body dynamic balance in physically active young males? A multidimensional analysis. Scand J Med Sci Sports 2024; 34:e14588. [PMID: 38415784 DOI: 10.1111/sms.14588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/26/2024] [Accepted: 02/13/2024] [Indexed: 02/29/2024]
Abstract
OBJECTIVES Determine if (a) a better trunk stability and endurance are associated with an improved whole-body dynamic balance, and if (b) the assessment tests can be interchanged within each capability. METHODS Sixty-three physically active young males performed three trunk stability (i.e., the lumbopelvic stability, the unstable sitting and the sudden loading sitting tests), three trunk muscle endurance (i.e., the Biering-Sørensen, the side bridge and the front bridge tests) and four whole-body dynamic balance (i.e., the tandem and the single-leg stance, the Y-Balance, and the single-leg triple hop tests) tests two times. After assessing the reliability of the variables, a Pearson correlation analysis was performed. RESULTS The correlations between trunk stability and endurance tests with dynamic balance tests were non-significant except for the unstable sitting test with both the tandem (r = 0.502) and the single-leg stance (r = 0.522) tests. Moreover, no relationships were observed between the trunk stability and the trunk muscle endurance tests. Interestingly, no relationships were found between most tests within each capability (i.e., trunk stability, trunk endurance, and dynamic balance) except: (i) the front bridge stability test and the back (r = 0.461) and the side (r = 0.499) bridge stability tests; (ii) the two side bridge endurance tests (r = 0.786); (iii) the tandem and the single-leg stance tests (0.439 ≤ r ≤ 0.463); (iv) the Y-Balance and the single-leg triple hop tests (0.446 ≤ r ≤ 0.477). CONCLUSION Better trunk function does not seem to be a relevant factor for dynamic balance in young active males. In this population, specific measures are needed as the test interchangeability is questioned.
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Affiliation(s)
- J De Los Ríos-Calonge
- Department of Sport Sciences, Sport Research Center, Miguel Hernández University of Elche, Elche, Spain
| | - D Barbado
- Department of Sport Sciences, Sport Research Center, Miguel Hernández University of Elche, Elche, Spain
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
| | - A Prat-Luri
- Department of Sport Sciences, Sport Research Center, Miguel Hernández University of Elche, Elche, Spain
| | - C Juan-Recio
- Department of Sport Sciences, Sport Research Center, Miguel Hernández University of Elche, Elche, Spain
| | - J R Heredia-Elvar
- Department of Physical Activity and Sports Science, Alfonso X El Sabio University, Madrid, Spain
| | - J L L Elvira
- Department of Sport Sciences, Sport Research Center, Miguel Hernández University of Elche, Elche, Spain
| | - F J Vera-Garcia
- Department of Sport Sciences, Sport Research Center, Miguel Hernández University of Elche, Elche, Spain
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
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Heredia-Elvar JR, Juan-Recio C, Prat-Luri A, Barbado D, de Los Ríos-Calonge J, Vera-Garcia FJ. Exercise Intensity Progressions and Criteria to Prescribe Core Stability Exercises in Young Physically Active Men: A Smartphone Accelerometer-Based Study. J Strength Cond Res 2024; 38:266-273. [PMID: 38088901 DOI: 10.1519/jsc.0000000000004630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
ABSTRACT Heredia-Elvar, JR, Juan-Recio, C, Prat-Luri, A, Barbado, D, Ríos-Calonge, Jdl, and Vera-Garcia, FJ. Exercise intensity progressions and criteria to prescribe core stability exercises in young physically active men: a smartphone accelerometer-based study. J Strength Cond Res 38(2): 266-273, 2024-The establishment of core stability (CS) exercise intensity progressions in sport and clinical settings is normally based on subjective criteria. Therefore, this study aimed to develop exercise intensity progressions for some of the most common CS exercises through smartphone accelerometry and to analyze the effect of the subjects' lumbopelvic postural control on these progressions. Fifty-seven healthy young physically active male students performed 7 isometric variations of front bridge, back bridge, side bridge, and bird-dog exercises with a smartphone accelerometer placed on the pelvis. Mean pelvic accelerations were calculated during each variation to evaluate the lumbopelvic postural control challenge imposed on the subjects as an index of exercise intensity of difficulty. For the bridge exercises, long bridging produced higher pelvic accelerations than short bridging, bridging with single-leg support was more intense than bridging with double-leg support (even with both legs on a hemisphere ball for the back and front bridge), and the most difficult variations were those performed on a Swiss ball, mainly the variations with single-leg support. For the bird-dog exercise, the 2-point positions were more intense than the 3-point positions, the variations performed with a knee on the hemisphere ball produced higher pelvic accelerations than similar variations performed with the forearm on the hemisphere ball, and the variations with limb motions generated higher pelvic accelerations than similar variations performed without limb motions. Although the CS exercise progressions were very similar across subjects, our results showed the need to individualize the prescription of the CS exercise progressions based on the subjects' lumbopelvic postural control level.
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Affiliation(s)
- Juan R Heredia-Elvar
- Department of Sport Sciences, Sports Research Center, Miguel Hernández University of Elche, Alicante, Spain; and
| | - Casto Juan-Recio
- Department of Sport Sciences, Sports Research Center, Miguel Hernández University of Elche, Alicante, Spain; and
| | - Amaya Prat-Luri
- Department of Sport Sciences, Sports Research Center, Miguel Hernández University of Elche, Alicante, Spain; and
| | - David Barbado
- Department of Sport Sciences, Sports Research Center, Miguel Hernández University of Elche, Alicante, Spain; and
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
| | - Javier de Los Ríos-Calonge
- Department of Sport Sciences, Sports Research Center, Miguel Hernández University of Elche, Alicante, Spain; and
| | - Francisco J Vera-Garcia
- Department of Sport Sciences, Sports Research Center, Miguel Hernández University of Elche, Alicante, Spain; and
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
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Moreno-Navarro P, Sabido R, Barbado D, Prat-Luri A, Vera-Garcia FJ. Trunk muscle activation in prone plank exercises with different body tilts. J Back Musculoskelet Rehabil 2024; 37:743-750. [PMID: 38217576 DOI: 10.3233/bmr-230209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2024]
Abstract
BACKGROUND Body tilt changes could affect the intensity/difficulty of core stability exercises, but there is still a lack of knowledge about its impact. OBJECTIVE To analyse the trunk muscles activation during prone plank exercises at different body tilts. METHODS Twenty-four young adults who performed recreational gymnastic activities participated in this study. Electromyography activity of the rectus abdominis (RA), external oblique (EO), internal oblique (IO) and erector spinae (ES) was recorded during the performance of six variations of the prone plank exercise (planking with feet supported on the ground [conventional horizontal position] and planking with feet supported on wall bars at five different heights increasing the angle tilt) and an inverted position exercise. RESULTS The RA, EO and IO activation in all prone plank variations were higher than those observed in the conventional prone plank. In addition, the coefficient of variation of the muscle activation increased with the declination angle, reaching the highest values in the inverted position for the RA and ES muscles. CONCLUSION The results seem to indicate that the body tilt variation could be used as an easy and inexpensive strategy for modulating the neuromuscular demands and the motor control challenge during planking exercises.
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Affiliation(s)
- Pedro Moreno-Navarro
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Elche, Spain
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Elche, Spain
| | - Rafael Sabido
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Elche, Spain
| | - David Barbado
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Elche, Spain
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
| | - Amaya Prat-Luri
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Elche, Spain
| | - Francisco J Vera-Garcia
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Elche, Spain
- Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
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Prat-Luri A, Moreno-Navarro P, Carpena C, Manca A, Deriu F, Barbado D, Vera-Garcia FJ. Smartphone accelerometry for quantifying core stability and developing exercise training progressions in people with multiple sclerosis. Mult Scler Relat Disord 2023; 72:104618. [PMID: 36931076 DOI: 10.1016/j.msard.2023.104618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/10/2023] [Accepted: 03/10/2023] [Indexed: 03/14/2023]
Abstract
BACKGROUND Core stability exercise programs have become popular in recent years for preserving balance and functional independence in people with multiple sclerosis (PwMS); however, their real impact is not well-known as the main intervention target (i.e., core stability) theoretically responsible for balance or functional improvements is not measured. The objective of this study was to test the reliability of accelerometers integrated into smartphones for quantifying core stability and developing exercise progressions in PwMS. METHODS Twenty participants with MS [age: 47.5±8.0 years; height: 1.62±0.07 m; mass: 63.4±10.9 kg; EDSS: 3.0 (1.5-6)] participated voluntarily in this study. CS was assessed in different variations of the front, side, and back bridges and bird-dog exercises by measuring the mean lumbopelvic acceleration in two testing sessions, separated by one week. Relative and absolute reliability of lumbopelvic acceleration of those exercise variations performed by more than 60% of the participants was analyzed by the intraclass correlation coefficient (ICC3,1), and the standard error of measurement (SEM) and the minimal detectable change (MDC), respectively. Repeated measures ANOVAs were performed to detect a potential learning effect between test-retest assessments. Statistical significance was set at p < 0.05. RESULTS Reliability analyses revealed that good to excellent relative and absolute scores (0.85<ICC<0.96; 7.8%≤SEM≤19.2%; 21.6%≤MDC≤53.2%) for the mean lumbopelvic acceleration obtained during 10 of the 12 CS exercise variations performed by more than 60% of the participants. A non-significant between-session learning effect was detected in all the variables considered (all p values >0.05). CONCLUSION Smartphone accelerometry seems a low cost, portable and easy-to-use tool to objectively and reliably track core stability changes in PwMS through. However, in spite of the popularity of bridging and bird-dog exercises, only the short and long bridges and the three-point bird-dog positions proved feasible for most participants. Overall, this study provides useful information to evaluate and guide the prescription of core stability exercise programs in PwMS with mild-to-moderate impairment.
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Affiliation(s)
- Amaya Prat-Luri
- Department of Sport Science, Sports Research Centre, Miguel Hernández University of Elche, Elche, Alicante, Spain
| | - Pedro Moreno-Navarro
- Department of Sport Science, Sports Research Centre, Miguel Hernández University of Elche, Elche, Alicante, Spain
| | - Carmen Carpena
- Department of Sport Science, Sports Research Centre, Miguel Hernández University of Elche, Elche, Alicante, Spain
| | - Andrea Manca
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Franca Deriu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - David Barbado
- Department of Sport Science, Sports Research Centre, Miguel Hernández University of Elche, Elche, Alicante, Spain; Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain.
| | - Francisco J Vera-Garcia
- Department of Sport Science, Sports Research Centre, Miguel Hernández University of Elche, Elche, Alicante, Spain; Institute for Health and Biomedical Research (ISABIAL Foundation), Miguel Hernández University of Elche, Alicante, Spain
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Prat-Luri A, de Los Rios-Calonge J, Moreno-Navarro P, Manresa-Rocamora A, Vera-Garcia FJ, Barbado D. Effect of Trunk-Focused Exercises on Pain, Disability, Quality of Life, and Trunk Physical Fitness in Low Back Pain and How Potential Effect Modifiers Modulate Their Effects: A Systematic Review With Meta-analyses. J Orthop Sports Phys Ther 2023; 53:64-93. [PMID: 36645193 DOI: 10.2519/jospt.2023.11091] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
OBJECTIVE: To analyze the effect of trunkfocused exercise programs (TEPs) and moderator factors on chronic nonspecific low back pain (LBP). DESIGN: Systematic review with meta-analyses. LITERATURE SEARCH: We searched the PubMed, Scopus, Embase, SPORTDiscus, and CENTRAL databases from their inception to June 2022. STUDY SELECTION CRITERIA: We included randomized controlled trials comparing TEPs to control or general exercises. DATA SYNTHESIS: We used random-effects models to calculate the standardized mean difference (SMD) plus confidence interval (CI) and heterogeneity (I2) for pain, disability, quality of life, and trunk performance. The impact of moderator factors was analyzed through meta-regression. RESULTS: Forty randomized controlled trials (n = 2391) were included. TEPs showed positive effects for all outcomes versus control (SMD 0.90-2.46; 95% CI, -0.04 to 4.96; I2 61%-98%). There were small effects in favor of TEPs versus general exercises for pain (SMD = 0.20; 95% CI, 0.03-0.37; I2 = 13.4%) and disability (SMD = 0.20; 95% CI, 0.02-0.38; I2 = 0%). Trunk and/or hip range-of-motion improvements were associated with greater reductions in pain (P<.01; β = 0.56; 95% CI, 0.25-0.87) and disability (P<.01; β = 0.66; 95% CI, 0.27-1.05). Low body mass was associated with higher pain reduction (P = .03; β = -0.17; 95% CI, -0.32 to -0.02). CONCLUSIONS: Trunk-focused exercise programs had positive effects on pain, disability, quality of life, and trunk performance compared to control groups, and on pain and disability compared to general exercises. Increasing trunk and/or hip range of motion was associated with greater pain and disability reduction, and lower body mass with higher pain reduction. J Orthop Sports Phys Ther 2023;53(2):64-93. Epub: 16 January 2023. doi:10.2519/jospt.2023.11091.
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Prat-Luri A, López-Valenciano A, Sarabia-Cachadiña E, Liguori G, Ayala F. Sex Differences in the Glycemic Response to Structured Exercise Interventions in Adults with Type II Diabetes Mellitus: A Systematic Review. Int J Exerc Sci 2022; 15:948-961. [PMID: 36158228 PMCID: PMC9458290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Despite physiological sex differences in the prevalence, pathogenesis, and responses to pharmacologic therapies of glucose metabolism in type 2 diabetes mellitus (T2DM) and the current evidence regarding the benefits of physical activity in people with T2DM, there is still a lack of information about the response to physical activity in T2DM depending on the sex. Thus, the aim of the present systematic review was to analyze the physiological sex differences response to physical activity programs in adults with T2DM. A systematic review following PRISMA guidelines was performed up to 4th January 2022 in PubMed, SportDiscus and Web of Science databases. The research protocol of this systematic review was registered in PROSPERO (CRD42020189020). The PEDro scale and Cochrane risk of bias tools were used to analyze the quality and risk of bias of the studies included. Glycaemic (blood glucose, HbA1c, AUC glycemia, metabolic clearance rate, QUICKI) insulin (HOMA-IR, insulin levels, C-peptide) and cardiovascular parameters (VO2max, body fat mass, waist circumference, cardiovascular index) were registered. 6 studies met the inclusion criteria. Physical activity showed improvements in the glycaemic and insulin profiles and cardiovascular risk parameters for both men and women, but no relevant and significant differences between sex were found. No significant differences between males and females with regard to the effects elicited by physical activity on glycaemic biomarkers and cardiorespiratory fitness in individuals with T2DM were found. These results seem to lead towards the same physical activity prescription in men and women.
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Affiliation(s)
- Amaya Prat-Luri
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University, Elche, SPAIN
| | | | - Elena Sarabia-Cachadiña
- Department of Physical Activity and Sport, Cardenal Spínola-CEU University Studies Center, Sevilla, SPAIN
| | - Gary Liguori
- College of Health Sciences, University of Rhode Island, Kingston, Rhode Island, USA
| | - Francisco Ayala
- Department of Physical Activity and Sport, Faculty of Sport Sciences, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, SPAIN
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Heredia-Elvar JR, Juan-Recio C, Prat-Luri A, Barbado D, Vera-Garcia FJ. Observational Screening Guidelines and Smartphone Accelerometer Thresholds to Establish the Intensity of Some of the Most Popular Core Stability Exercises. Front Physiol 2021; 12:751569. [PMID: 34744790 PMCID: PMC8570278 DOI: 10.3389/fphys.2021.751569] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 09/23/2021] [Indexed: 11/28/2022] Open
Abstract
The lack of training load control, mainly exercise intensity, is one of the main limitations of core stability (CS) programs, which makes the training individualization and the analysis of the dose-response relationship difficult. The objectives of this study were to assess the inter-and intra-rater agreement when using new observational screening guidelines to decide if a core stability exercise represents an adequate training intensity level for a given participant. Besides, the relationship between experts' ratings based on these criteria and pelvic accelerations recorded with a smartphone accelerometer was also analyzed. Ten healthy physically active participants with a smartphone accelerometer placed on their pelvis were video-taped while performing a progression of seven variations of the front bridge, back bridge, side bridge and bird-dog exercises. Two expert and four non-expert raters watched the videos and used the observational screening guidelines to decide for each exercise variation if it represented an adequate training intensity level or not. In order to analyze the inter-and intra-rater agreement, several Kappa (κ) statistics were used. Receiver operating characteristic (ROC) curves to explore if the accelerometry allowed to establish pelvic acceleration thresholds representing the minimum level of exercise intensity for CS training. Cut-off acceleration values were calculated balancing sensitivity (Se) and 1-specifity (1-Sp) indexes (i.e., Youden index) or minimizing 1-Sp. The intra-and inter-rater analysis showed a substantial-high level of agreement with a prevalence-adjusted bias-adjusted Kappa > 0.69. The ROC curves showed that the acceleration thresholds for the bridging exercises were very similar, with global cut-off values of 0.35 m/s2 (Se = 82%; 1-Sp = 15%) when using the Youden Index and of 0.50 m/s2 when minimizing 1-Sp (Se = 31%), whilst the bird-dog exercise showed lower cut-off values (Youden Index: 0.21 m/s2, Se = 90%, 1-Sp = 16%; minimizing 1-Sp: 0.32 m/s2, Se = 40%). Overall, this study provides observational screening guidelines and smartphone accelerometer thresholds to facilitate the decision-making process when setting the intensity of some of the most popular core stability exercises in young physically active individuals.
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Affiliation(s)
- Juan R Heredia-Elvar
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - Casto Juan-Recio
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - Amaya Prat-Luri
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - David Barbado
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
| | - Francisco J Vera-Garcia
- Sports Research Centre, Department of Sport Sciences, Miguel Hernández University of Elche, Alicante, Spain
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Prat-Luri A, Moreno-Navarro P, García JA, Barbado D, Vera-Garcia FJ, Elvira JL. Do Initial Trunk Impairment, Age, Intervention Onset, and Training Volume Modulate the Effectiveness of Additional Trunk Exercise Programs after Stroke? A Systematic Review with Meta-Analyses. Int J Environ Res Public Health 2020; 17:E8714. [PMID: 33255211 PMCID: PMC7727690 DOI: 10.3390/ijerph17238714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/15/2020] [Accepted: 11/19/2020] [Indexed: 11/24/2022]
Abstract
The aim of this systematic review is to analyze how, after additional trunk-focused training programs (ATEP), motor recovery after a stroke is modulated by potential effect modifiers. Twenty randomized controlled studies that carried out ATEP were included. Results showed moderate-to-high effects in favor of ATEP for trunk function, balance ability, gait performance, and functional mobility. Studies with a higher initial trunk impairment obtained a higher effect on trunk function and balance; studies with older participants had a higher effect on trunk function, limit of stability, and functional mobility, but not on balance ability. Older and more affected patients were, as well, those who started the intervention earlier, which was also linked with higher effects on trunk function, balance, and gait performance. Longer ATEP found a high effect on trunk function and balance ability. The potential effect modifiers seem to be important in the modulation of the effectiveness of ATEP and should be considered in the design of rehabilitation programs. Thus, since potential effect modifiers seem to modulate ATEP effectiveness, future studies should consider them in their experimental designs to better understand their impact on stroke rehabilitation.
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Affiliation(s)
- Amaya Prat-Luri
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.P.-L.); (P.M.-N.); (F.J.V.-G.); (J.L.L.E.)
| | - Pedro Moreno-Navarro
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.P.-L.); (P.M.-N.); (F.J.V.-G.); (J.L.L.E.)
| | - Jose A. García
- Infectious Diseases Unit, Hospital General Universitario de Elche, Miguel Hernández University of Elche, 03203 Elche, Spain;
| | - David Barbado
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.P.-L.); (P.M.-N.); (F.J.V.-G.); (J.L.L.E.)
| | - Francisco J. Vera-Garcia
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.P.-L.); (P.M.-N.); (F.J.V.-G.); (J.L.L.E.)
| | - Jose L.L. Elvira
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, 03202 Elche, Spain; (A.P.-L.); (P.M.-N.); (F.J.V.-G.); (J.L.L.E.)
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Vera-Garcia FJ, Irles-Vidal B, Prat-Luri A, García-Vaquero MP, Barbado D, Juan-Recio C. Progressions of core stabilization exercises based on postural control challenge assessment. Eur J Appl Physiol 2020; 120:567-577. [PMID: 32048007 DOI: 10.1007/s00421-020-04313-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 02/01/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE The intensity progression of core stabilization exercises (CSEs) is usually based on personal criteria rather than on objective parameters. To develop exercise progressions for four of the most common CSEs based on the postural control challenge imposed on the participants, and to analyze the effect of participants' sex and postural control level on these progressions. METHODS Seventy-six males and females performed five variations of front bridge, back bridge, side bridge and bird-dog exercises on two force platforms. The mean velocity of the center of pressure displacement was calculated to assess exercise intensity through the measurement of the participants' body sway (PBS). RESULTS In general, long bridges produced higher PBS than short bridges, bridging with single leg support produced higher PBS than bridging with double leg support and bridging on a hemisphere ball produced higher PBS than bridging on the floor. The most difficult bridging variations were those performed on a hemisphere ball with single leg support. Regarding the bird-dog, two-point positions produced higher PBS than three-point positions and the positions performed on a hemisphere ball produced higher PBS than those performed on the floor. CONCLUSION The CSE progressions obtained by males and females were very similar. However, the participants with high trunk control showed less significant differences between exercise variations than the participants with low trunk control, which shows the need to individualize the progressions according to the participants' training level. Overall, this study provides useful information to guide the prescription of CSE progressions in young physically active individuals.
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Affiliation(s)
- Francisco J Vera-Garcia
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Avda. de La Universidad s/n., 03202, Elche, Alicante, Spain
| | - Belen Irles-Vidal
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Avda. de La Universidad s/n., 03202, Elche, Alicante, Spain
| | - Amaya Prat-Luri
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Avda. de La Universidad s/n., 03202, Elche, Alicante, Spain
| | - María Pilar García-Vaquero
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Avda. de La Universidad s/n., 03202, Elche, Alicante, Spain
| | - David Barbado
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Avda. de La Universidad s/n., 03202, Elche, Alicante, Spain.
| | - Casto Juan-Recio
- Department of Sport Sciences, Sports Research Centre, Miguel Hernández University of Elche, Avda. de La Universidad s/n., 03202, Elche, Alicante, Spain
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Barbado D, Irles-Vidal B, Prat-Luri A, García-Vaquero MP, Vera-Garcia FJ. Training intensity quantification of core stability exercises based on a smartphone accelerometer. PLoS One 2018; 13:e0208262. [PMID: 30517171 PMCID: PMC6281233 DOI: 10.1371/journal.pone.0208262] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 10/06/2018] [Indexed: 11/17/2022] Open
Abstract
Although core stability (CS) training is largely used to enhance motor performance and prevent musculoskeletal injuries, the lack of methods to quantify CS training intensity hinders the design of CS programs and the comparison and generalization of their effects. The aim of this study was to analyze the reliability of accelerometers integrated into smartphones to quantify the intensity of several CS isometric exercises. Additionally, this study analyzed to what extent the pelvic acceleration data represent the local stability of the core structures or the whole-body postural control. Twenty-three male and female physically-active individuals performed two testing-sessions spaced one week apart, each consisting of two 6-second trials of five variations of frontal bridge, back bridge, lateral bridge and bird-dog exercises. In order to assess load intensity based on the postural control challenge of CS exercises, a smartphone accelerometer and two force platforms were used to measure the mean pelvic linear acceleration and the mean velocity of the centre of pressure displacement, respectively. Reliability was assessed through the intra-class correlation coefficient (ICC3,1) and the standard error of measurement (SEM). In addition, Pearson coefficient was used to analyze the correlation between parameters. The reliability analysis showed that most CS exercise variations obtained moderate-to-high reliability scores for pelvic acceleration (0.71<ICC<0.88; 13.23%≤SEM≤22.99%) and low-to-moderate reliability scores for centre of pressure displacement (0.24<ICC<0.89; 9.88%≤SEM≤35.90%). Regarding the correlation analysis, correlations between pelvic acceleration and centre of pressure displacement were moderate-to-high (0.52≤r≤0.81). Based on these results, smartphone accelerometers seem reliable devices to quantify isometric CS exercise intensity, which is useful to identify the individuals’ CS status and to improve the dose-response characterization of CS programs.
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Affiliation(s)
- David Barbado
- Sports Research Centre, Miguel Hernandez University of Elche, Elche, Alicante, Spain
| | - Belen Irles-Vidal
- Sports Research Centre, Miguel Hernandez University of Elche, Elche, Alicante, Spain
| | - Amaya Prat-Luri
- Sports Research Centre, Miguel Hernandez University of Elche, Elche, Alicante, Spain
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