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Chaari F, Rahmani A, Rebai H, Fendri T, Boyas S, Sahli S. Is there a relationship between static postural control and core stability? A cross-sectional study in soccer players with groin pain. J Orthop 2024; 48:1-5. [PMID: 38054024 PMCID: PMC10694616 DOI: 10.1016/j.jor.2023.11.036] [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: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/07/2023] Open
Abstract
Background Static postural control disorders have been documented in soccer players suffering from groin pain (GP). Understanding the mechanisms of these disorders is crucial in designing rehabilitation programs. Objectives To (i) assess static postural control and core stability in soccer players suffering from GP compared to their peers and (ii) explore the relationship between these two parameters. Methods This cross-sectional study involved 42 male soccer players suffering from GP (GP group: GPG) and 42 healthy players (control group: CG). Static postural control (stabilometric platform) and core stability (core endurance tests) were assessed. Results Center of pressure velocity in the GPG was significantly higher compared to the CG during bipedal stance on the firm surface with eyes closed (2.66 [95 % CI: 0.86-3.67]; p < 0.01) and on the foam one (p < 0.001) in both conditions; eyes opened (2.88 [95 % CI: 1.42-4.43]) and closed (5.88 [95 % CI: 2.66-9.10]), and on the IL in eyes closed (12.54 [95 % CI: 4.27-20.80]; p < 0.01). Besides, GPG revealed significant (p < 0.001) lower core stability measures compared to CG. No significant associations (p > 0.05) were observed between static postural control and core stability in GPG. Conclusion Soccer players suffering from GP showed static disorders of postural control compared with their peers. These impairments were not associated with measures of core stability. These findings provide insight into the direction of future research exploring the mechanisms underlying deficits in static postural control in soccer players suffering from GP.
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Affiliation(s)
- Fatma Chaari
- Research Laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, STAPS Department, University of Sfax, Tunisia
- Le Mans University, Movement - Interactions, Performance, MIP, UR4334, France Faculty of Sciences and Technologies, STAPS Department, Avenue Olivier Messiaen, 72000, Le Mans, France
| | - Abderrahmane Rahmani
- Le Mans University, Movement - Interactions, Performance, MIP, UR4334, France Faculty of Sciences and Technologies, STAPS Department, Avenue Olivier Messiaen, 72000, Le Mans, France
| | - Haithem Rebai
- Tunisian Research Laboratory ‘Sports Performance Optimization (LR09SEP01), National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
| | - Thouraya Fendri
- Research Laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, STAPS Department, University of Sfax, Tunisia
- Le Mans University, Movement - Interactions, Performance, MIP, UR4334, France Faculty of Sciences and Technologies, STAPS Department, Avenue Olivier Messiaen, 72000, Le Mans, France
| | - Sébastien Boyas
- Le Mans University, Movement - Interactions, Performance, MIP, UR4334, France Faculty of Sciences and Technologies, STAPS Department, Avenue Olivier Messiaen, 72000, Le Mans, France
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, STAPS Department, University of Sfax, Tunisia
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Fallon Verbruggen F, Kaľata M, Marenčáková J, Malý T, Zahálka F. The effect of biological maturation on foot morphology, and their relation to postural stability performance in male footballers. J Sports Med Phys Fitness 2023; 63:1155-1164. [PMID: 37535341 DOI: 10.23736/s0022-4707.23.15037-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
BACKGROUND Biological maturity (BM) and foot morphology (FM) can independently alter neuromuscular loading on the ankle-foot complex, potentially causing stability deficits and injury predisposition. However, the influence of BM on FM, and how much both explain neuromuscular performance in postural stability (PS) tests, has been understudied. This study aimed to investigate the effect of BM on FM, and then discover to what extent both factors explain the variance in PS performance in adolescent footballers. METHODS Over one season, 399 three-dimensional foot scans were gathered from 72 footballers (U12-U15). PS was measured by center of pressure (COP) displacement in bilateral and unilateral stance. The Khamis and Roche equation determined maturity status (MS), while formulae from Mirwald and Khamis and Roche estimated timing of biological maturation (TBM). Principal component analysis determined nine principal components that explained the most variance in FM. An ANCOVA determined the effect of TBM on FM principal components, with covariates of age, height, weight, playing position, and foot preference. Step-wise linear regression determined the explanation of COP displacement by the above-mentioned predictors. RESULTS There was significantly increased foot pronation during and after peak height velocity/puberty. MS and four foot principal components (foot arch and width, great toe width and length) were significant predictors in all PS tests (R2: 0.105-0.180). CONCLUSIONS TBM had a significant effect on FM presentation, and should be a part of adolescent foot assessment. While they only explained a small amount of variance, determining MS and FM may identify those requiring additional PS attention.
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Affiliation(s)
- Ferdia Fallon Verbruggen
- Sport Research Center, Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic -
| | - Maroš Kaľata
- Sport Research Center, Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - Jitka Marenčáková
- Sport Research Center, Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - Tomáš Malý
- Sport Research Center, Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
| | - František Zahálka
- Sport Research Center, Faculty of Physical Education and Sport, Charles University, Prague, Czech Republic
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Mahmoudi F, Rahnama N, Daneshjoo A, Behm DG. Comparison of dynamic and static balance among professional male soccer players by position. J Bodyw Mov Ther 2023; 36:307-312. [PMID: 37949577 DOI: 10.1016/j.jbmt.2023.03.001] [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: 12/23/2022] [Revised: 03/05/2023] [Accepted: 03/14/2023] [Indexed: 11/12/2023]
Abstract
PURPOSE Balance is an important performance aspect of all athletes. The aim of this study was to compare static and dynamic balance in soccer players in different positions. METHODS Forty youth and young adult professional soccer players were divided into four groups according to their playing positions: goalkeepers (GK), defenders (DF), midfielders (MF) and forwards (FW) (10 per position). Static and dynamic balance assessed on the dominant and non-dominant legs were measured using a force platform for 30s (static one-leg stand), and "Y Balance Test" (dynamic balance). RESULTS GK exhibited greater ML static balance (less ML sway) compared with other players (p < 0.02-0.001). Moreover, results demonstrated better GK dynamic balance compared to DF and FW (p < 0.04-0.006). MF showed better dynamic balance than DF and FW (p < 0.019-0.007) and lower dynamic balance scores were found among DF and FW (p < 0.05). CONCLUSION In conclusion, these results affirm position-specific balance performance with greater static and dynamic balance of GK and dynamic balance with MF. It is suggested that evaluation of balance and postural control performance should be considered a relevant part of the position-specific functional evaluation of soccer players.
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Affiliation(s)
- Foad Mahmoudi
- Department of Sports Injuries and Corrective Exercises, Faculty of Sports Sciences, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Nader Rahnama
- Department of Sports Injuries and Corrective Exercises, Faculty of Sports Sciences, University of Isfahan, Isfahan, Iran.
| | - Abdolhamid Daneshjoo
- Department of Sports Injuries and Corrective Exercises, Faculty of Sports Sciences, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - David G Behm
- School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, Canada.
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Paillard T. The optimal method for improving postural balance in healthy young and older people: specific training for postural tasks encountered in personal physical practice. Front Physiol 2023; 14:1188496. [PMID: 37449015 PMCID: PMC10338096 DOI: 10.3389/fphys.2023.1188496] [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: 03/17/2023] [Accepted: 06/16/2023] [Indexed: 07/18/2023] Open
Abstract
It is well known that regular exercise or physical activity (training) improves postural balance in healthy young and older subjects, but the optimal exercise or physical activity (i.e., likely to induce the greatest postural improvements) and the context in which it is carried out remain to be explored and determined for each population. The most beneficial adaptations would depend, in particular, on gestural conditions (body position, movement and gesture practiced) and material conditions (nature of the ground surface, sports equipment used, type of environment - stable or changing). In fact, the global postural adaptations induced by training do not result from the transfer between different trained and untrained postural tasks, but are the sum of the adaptations related to each trained postural task in healthy young and older subjects. Based on current knowledge, optimal training programs should include the full range of postural tasks encountered in personal physical practice for each population. To date, the method of implementing progressive postural balance tasks with different degrees of difficulty and instability has been used as the effective method to improve postural balance, but it should not be considered as the reference method. Instead, it should be considered as a complementary method to the one based on specific postural tasks. An intervention strategy is proposed for young and older adults consisting of three different steps (general, oriented and specific/ecologic training). However, some parameters still need to be explored and possibly reconsidered in future studies to improve postural balance in an optimal way.
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Wang H, Basu A, Durandau G, Sartori M. A Wearable Real-time Kinematic and Kinetic Measurement Sensor Setup for Human Locomotion. WEARABLE TECHNOLOGIES 2023; 4:e11. [PMID: 37091825 PMCID: PMC7614461 DOI: 10.1017/wtc.2023.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Current laboratory-based setups (optical marker cameras + force plates) for human motion measurement require participants to stay in a constrained capture region which forbids rich movement types. This study established a fully wearable system, based on commercially available sensors (inertial measurement units + pressure insoles) that can measure both kinematic and kinetic motion data simultaneously and support wireless frame-by-frame streaming. In addition, its capability and accuracy were tested against a conventional laboratory-based setup. An experiment was conducted, with 9 participants wearing the wearable measurement system and performing 13 daily motion activities, from slow walking to fast running, together with vertical jump, squat, lunge and single-leg landing, inside the capture space of the laboratory-based motion capture system. The recorded sensor data were post-processed to obtain joint angles, ground reaction forces (GRFs), and joint torques (via multi-body inverse dynamics). Compared to the laboratory-based system, the established wearable measurement system can measure accurate information of all lower limb joint angles (Pearson's r = 0.929), vertical GRFs (Pearson's r = 0.954), and ankle joint torques (Pearson's r = 0.917). Center of pressure (CoP) in the anterior-posterior direction and knee joint torques were fairly matched (Pearson's r = 0.683 and 0.612, respectively). Calculated hip joint torques and measured medial-lateral CoP did not match with the laboratory-based system (Pearson's r = 0.21 and 0.47, respectively). Furthermore, both raw and processed datasets are openly accessible (https://doi.org/10.5281/zenodo.6457662). Documentation, data processing codes, and guidelines to establish the real-time wearable kinetic measurement system are also shared (https://github.com/HuaweiWang/WearableMeasurementSystem).
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Affiliation(s)
- Huawei Wang
- Department of Biomechanical Engineering, University of Twente, Enschede, the Netherlands
| | - Akash Basu
- Department of Biomechanical Engineering, University of Twente, Enschede, the Netherlands
| | - Guillaume Durandau
- Department of Mechanical Engineering, McGill University, Montreal, Canada
| | - Massimo Sartori
- Department of Biomechanical Engineering, University of Twente, Enschede, the Netherlands
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Chaari F, Boyas S, Sahli S, Fendri T, Harrabi MA, Rebai H, Rahmani A. Postural balance asymmetry and subsequent noncontact lower extremity musculoskeletal injuries among Tunisian soccer players with groin pain: A prospective case control study. Gait Posture 2022; 98:134-140. [PMID: 36115130 DOI: 10.1016/j.gaitpost.2022.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/08/2022] [Accepted: 09/07/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Recent studies reported postural balance disorders in patients and soccer players with groin pain (GP) compared to controls. Since postural balance asymmetry identified after an initial injury contributes for subsequent injuries, identification of this asymmetry in soccer players with GP may highlight the risk of sustaining subsequent noncontact lower extremity musculoskeletal injuries in these players. Therefore, the aims of this study were to (i) examine static and dynamic unipedal postural balance asymmetry in soccer players with GP compared to healthy ones, and (ii) quantify the risk of subsequent noncontact lower extremity injuries in these players. RESEARCH QUESTION Do soccer players with GP exhibit higher static and dynamic unipedal postural balance asymmetry, and higher risk of sustaining subsequent injuries compared to controls? METHODS In this prospective case control study, 27 soccer players with non-time loss GP (GP group: GPG), and 27 healthy ones (control group: CG) were enrolled. Static and dynamic unipedal postural balance asymmetry were evaluated with a force platform using symmetry index (SI), and Y-balance test (Y-BT), respectively. Additionally, subsequent noncontact lower extremity musculoskeletal injuries were tracked for 10 months. RESULTS The GPG revealed higher (p < 0.01) SI in eyes closed condition, higher (p < 0.001) side-to-side asymmetry in anterior, posteromedial and posterolateral reach distances and in composite Y-BT score compared to CG. They showed lower (p < 0.001) composite score for injured limb and higher (p < 0.001) side-to-side asymmetry in posteromedial reach distance compared to the cut-off values of 89.6 % and 4 cm, respectively. Moreover, GPG exhibited higher odds (OR= 7.48; 95 % CI = 2.15, 26.00; p < 0.01) of sustaining subsequent injuries compared to CG. SIGNIFICANCE The Y-BT should be instituted into existing pre-participation physical examinations to screen for soccer players with non-time loss GP at an elevated risk of sustaining subsequent injuries. This could help coaches and clinicians make valid return to play decisions.
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Affiliation(s)
- Fatma Chaari
- Research laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia.
| | - Sébastien Boyas
- Le Mans University, Movement - Interactions, Performance, MIP, EA 4334, France Faculty of Sciences and Technologies, Avenue Olivier Messiaen, 72000 Le Mans, France.
| | - Sonia Sahli
- Research laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia.
| | - Thouraya Fendri
- Research laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia.
| | - Mohammed A Harrabi
- Research laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia.
| | - Haithem Rebai
- Research laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Tunisia.
| | - Abderrahmane Rahmani
- Le Mans University, Movement - Interactions, Performance, MIP, EA 4334, France Faculty of Sciences and Technologies, Avenue Olivier Messiaen, 72000 Le Mans, France.
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Oliveira Junior ED, Silva AFMD, Antunes FD, Jacinto JL, Aguiar AF. ANALYSIS OF POSTURAL BALANCE IN CHILDREN WHO PRACTICE AND THOSE WHO DO NOT PRACTICE SPORTS ACTIVITIES. REV BRAS MED ESPORTE 2021. [DOI: 10.1590/1517-8692202127062021_0032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT Introduction: Postural balance is essential for activities of daily living and sports performance in all life phases, but it remains unknown whether the regular practice of sports activities can improve postural balance in children. Objective: To evaluate postural balance in children who practice and those who do not practice regular sports activities. Methods: The sample consisted of 60 children (7-13 years of age) divided into two groups: participants in sports activities (n = 30) and non-participants in sports activities (n = 30). The level of physical activity was assessed by applying the Physical Activity Questionnaire for Children (PAQ-C) and static postural balance was assessed on the BIOMEC400-412 strength platform in bipedal and unipedal support. Results: No significant difference was observed between the groups in age, height or body mass index (p > 0.05). However, the groups showed a significant difference (p < 0.001) in the level of physical activity. The practicing sports group was characterized as active and the non-practicing group as sedentary. The practicing sports group had better postural balance in both bipedal and unipedal support compared to the non-practicing group (p < 0.05). Conclusion: The practice of regular sports activities improves postural balance in children from 7 to 13 years of age. Level of evidence II; Diagnostic study - Investigating a diagnostic test.
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Śliwowski R, Marynowicz J, Jadczak Ł, Grygorowicz M, Kalinowski P, Paillard T. The relationships between knee extensors/ flexors strength and balance control in elite male soccer players. PeerJ 2021; 9:e12461. [PMID: 34820190 PMCID: PMC8603814 DOI: 10.7717/peerj.12461] [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: 06/30/2021] [Accepted: 10/18/2021] [Indexed: 11/20/2022] Open
Abstract
Background Strength and balance are important factors for soccer players to be successful. This study’s aim was to determine the relationship between lower-limb muscle strength and balance control in elite male soccer players (n = 77). Methods Concentric isokinetic strength (peak torque of quadriceps (PT-Q) and hamstrings (PT-H), hamstrings/quadriceps (H/Q) ratio) was measured for the dominant and non-dominant leg at angular velocities of 60°s−1and 240°s−1, as well as the total work for extensors (TW-Q) and flexors (TW-H) for both legs (at an angular velocity of 240°s−1only). Balance score (BAL score) was used for unilateral assessment of balance control using a Delos Postural System Test measurement tool. Hierarchical multiple regression analyses were performed to predict balance control using isokinetic knee strength performance for dominant and non-dominant legs. Results Final modelling included peak torque of hamstrings at 240°s−1 and peak torque of the quadriceps at 240°s−1 for the non-dominant leg (R2 = 19.6%; p ≤ 0.001) and only peak hamstring torque at 240°s−1 for the dominant leg (R2 = 11.3%; p = 0.003) as significant predictors of balance score. Conclusion Findings indicate that balance control is widely influenced by peak hamstring torque and peak quadriceps torque at high angular velocity particularly in the non-dominant leg i.e., the supporting leg in soccer players.
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Affiliation(s)
- Robert Śliwowski
- Department of Theory and Methodology of Team Sport Games, Poznan University of Physical Education, Poznan, Poland
| | - Jakub Marynowicz
- Department of Theory and Methodology of Team Sport Games, Poznan University of Physical Education, Poznan, Poland
| | - Łukasz Jadczak
- Department of Theory and Methodology of Team Sport Games, Poznan University of Physical Education, Poznan, Poland
| | - Monika Grygorowicz
- Department of Physiotherapy, Poznań University of Medical Sciences, Poznan, Poland.,Rehasport Clinic FIFA Medical Centre of Excellence, Poznan, Poland
| | - Paweł Kalinowski
- Department of Theory and Methodology of Team Sport Games, Poznan University of Physical Education, Poznan, Poland
| | - Thierry Paillard
- Department of Sport Sciences, University of Pau et des Pays de l'Adour, E2S UPPA, MEPS Laboratory, Tarbes, France
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Kacem M, Borji R, Sahli S, Rebai H. The Disturbing Effect of Neuromuscular Fatigue on Postural Control Is Accentuated in the Premenstrual Phase in Female Athletes. Front Physiol 2021; 12:736211. [PMID: 34733175 PMCID: PMC8558460 DOI: 10.3389/fphys.2021.736211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 09/15/2021] [Indexed: 11/13/2022] Open
Abstract
This study explored the fatigue effect on postural control (PC) across menstrual cycle phases (MCPs) in female athletes. Isometric maximal voluntary contraction (IMVC), the center of pressure sway area (CoParea), CoP length in the medio-lateral (CoPLX) and antero-posterior (CoPLY) directions, and Y-balance test (YBT) were assessed before and after a fatiguing exercise during the follicular phase (FP), mid-luteal phase (LP), and premenstrual phase (PMP). Baseline normalized reach distances (NRDs) for the YBT were lower (p = 0.00) in the PMP compared to others MCPs, but the IMVC, CoParea, CoPLX, and CoPLY remained unchanged. After exercise, the IMVC and the NRD decrease was higher at PMP compared to FP (p = 0.00) and LP (p = 0.00). The CoParea, CoPLX, and CoPLY increase was higher in the PMP compared to FP (p = 0.00) and LP (p = 0.00). It was concluded that there is an accentuated PC impairment after exercise observed at PMP.
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Affiliation(s)
- Maissa Kacem
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Rihab Borji
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Sonia Sahli
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
| | - Haithem Rebai
- Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax, Tunisia
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Esposito F, Barni L, Manzi F, Braccio P, Latella L, Corvi A, Freddolini M. Does ankle Kinesio Taping® application improve static and dynamic balance in healthy trained semi-professional soccer male players? A single blinded randomized placebo controlled crossover study. Sci Sports 2021. [DOI: 10.1016/j.scispo.2021.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Trajković N, Kozinc Ž, Smajla D, Šarabon N. Relationship between ankle strength and range of motion and postural stability during single-leg quiet stance in trained athletes. Sci Rep 2021; 11:11749. [PMID: 34083684 PMCID: PMC8175377 DOI: 10.1038/s41598-021-91337-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 05/25/2021] [Indexed: 02/08/2023] Open
Abstract
The aim of this study was to determine the relationship between strength of ankle plantar and dorsal flexors and range of motion (RoM), and body sway variables during single-leg quiet stance, in highly trained athletes. The participants for this study were young athletes from 9 disciplines (n = 655). Center of pressure (CoP) velocity, amplitude, and frequency were measured during single-leg quiet stance. Moreover, athletes were measured for passive ankle plantar flexion (PF) and dorsal flexion (DF) RoM, and for rate of torque development (RTD) in the 0–50 (RTD50) and 0–200 ms time windows (RTD200). Ankle strength and RoM could not predict CoP velocity total, anterior–posterior (AP), and medial–lateral (ML) (p > 0.05). However, PFRTD50 and PFRoM and PFRoM positively influenced CoP amplitude in ML direction (p < 0.001, R2 = 0.10). Moreover, CoP frequency in ML direction significantly increased with lower PFRTD50, DFRTD50, DFRTD200, PFRoM, and DFRoM (p < 0.05). We have demonstrated that ankle strength and RoM were related to single-leg quiet stance postural balance in trained athletes. The ankle RoM showed the greatest influence on CoP variables in ML directions.
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Affiliation(s)
- Nebojša Trajković
- Faculty of Sport and Physical Education, University of Niš, 18000, Niš, Serbia
| | - Žiga Kozinc
- Faculty of Health Sciences, University of Primorska, Polje 42, 6310, Izola, Slovenia.,Andrej Marušič Institute, University of Primorska, Muzejski trg 2, 6000, Koper, Slovenia
| | - Darjan Smajla
- Faculty of Health Sciences, University of Primorska, Polje 42, 6310, Izola, Slovenia.,Human Health Department, InnoRenew CoE, Livade 6, 6310, Izola, Slovenia
| | - Nejc Šarabon
- Faculty of Health Sciences, University of Primorska, Polje 42, 6310, Izola, Slovenia. .,Andrej Marušič Institute, University of Primorska, Muzejski trg 2, 6000, Koper, Slovenia. .,Human Health Department, InnoRenew CoE, Livade 6, 6310, Izola, Slovenia. .,Laboratory for Motor Control and Motor Behavior, S2P, Science to Practice, Ltd., Tehnološki Park 19, 1000, Ljubljana, Slovenia.
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Does monopedal postural balance differ between the dominant leg and the non-dominant leg? A review. Hum Mov Sci 2020; 74:102686. [PMID: 33059226 DOI: 10.1016/j.humov.2020.102686] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 01/02/2023]
Abstract
The interlimb postural comparison i.e., between the dominant leg and the non-dominant leg has been studied by numerous authors but their results are contradictory and do not lead to a consensus. Some studies showed no difference of postural balance between the dominant and the non-dominant leg whereas other studies concluded that the dominant and non-dominant leg exhibit different postural balance in healthy subjects and athletes. The aim was to analyse all these studies in order to identify the different factors that could facilitate or prevent the appearance of a postural difference between the dominant and non-dominant leg by means of a narrative review. Environmental and experimental conditions (e.g., difficulty and specificity of postural tasks; physiological state, expertise level and moment of season/period over career of subjects/athletes evaluated and nature of sport/physical activity practiced; techniques and methods used for measuring postural balance) in which postural balance is evaluated and intrinsic/individual factors (e.g., morphology, strength/power muscle, proprioception, hemispheric laterality) could influence the results. Thus, the influence of limb dominance on monopedal postural balance would probably be context-dependent. Mechanistic explanations are proposed to explain how each factor could act on the relationship between limb dominance and postural balance. However many mechanisms have not yet been explained and all the factors have not been identified, which suggests that further exploratory research is needed in order to understand this relationship.
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Read PJ, Oliver JL, Myer GD, Farooq A, Croix MDS, Lloyd RS. Utility of the anterior reach Y-BALANCE test as an injury risk screening tool in elite male youth soccer players. Phys Ther Sport 2020; 45:103-110. [PMID: 32726731 PMCID: PMC9892799 DOI: 10.1016/j.ptsp.2020.06.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 06/02/2020] [Accepted: 06/04/2020] [Indexed: 02/04/2023]
Abstract
OBJECTIVES Examine growth and maturation trends in dynamic balance using the anterior reach Y-Balance test, and its utility as an injury risk screening tool. DESIGN Cross sectional and prospective cohort. SETTING Elite male youth soccer players. PARTICIPANTS 346 players grouped as pre, circa or post peak height velocity (PHV). MAIN OUTCOME MEASURES Pre-season anterior reach absolute and relative Y-Balance test scores and seasonal prospective lower extremity injury monitoring. RESULTS Absolute reach distances were greatest post-PHV (p < 0.05). Relative to leg length, pre-PHV achieved the highest scores and increased between-limb differences. Significant associations between injury and anterior reach scores were present in pre (OR: 0.94, CI: 0.91-0.98, p < 0.05) and circa-PHV (OR: 1.05, 95% CI: 1.05-1.10, p < 0.05). Increased age (OR: 1.49, 95% CI: 1.04-2.13, p < 0.05) and height (OR: 1.06, 95% CI: 0.99-1.13, p = 0.82) were risk factors post-PHV. No differences in injury occurrence were shown between players with absolute reach difference >4 cm in any group. CONCLUSIONS Anterior reach scores increased injury risk, but associations were small and inconsistent. The Y-Balance should be used with caution as a screening tool in this cohort.
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Affiliation(s)
- Paul J. Read
- School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK,School of Sport and Exercise, University of Gloucestershire, Gloucester, UK,Athlete Health and Performance Research Centre, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar,Corresponding author. Sports City Street, Doha, 29222, Qatar. (P.J. Read)
| | - Jon L. Oliver
- School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK,Sport Performance Research Institute, New Zealand (SPRINZ), AUT University, Auckland, New Zealand
| | - Gregory D. Myer
- Division of Sports Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA,Department of Pediatrics and Orthopaedic Surgery, College of Medicine, College of Medicine, University of Cincinnati, Cincinnati, OH, USA,The Micheli Center for Sports Injury Prevention, Boston, MA, USA
| | - Abdulaziz Farooq
- Athlete Health and Performance Research Centre, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Mark De Ste Croix
- School of Sport and Exercise, University of Gloucestershire, Gloucester, UK
| | - Rhodri S. Lloyd
- School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK,Sport Performance Research Institute, New Zealand (SPRINZ), AUT University, Auckland, New Zealand,Centre for Sport Science and Human Performance, Waikato Institute of Technology, Hamilton, New Zealand
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14
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Bilateral Asymmetries Assessment in Elite and Sub-Elite Male Futsal Players. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17093169. [PMID: 32370138 PMCID: PMC7246711 DOI: 10.3390/ijerph17093169] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/26/2020] [Accepted: 04/30/2020] [Indexed: 11/26/2022]
Abstract
This study aimed to investigate morphological, functional, and neuromuscular asymmetries on futsal players’ lower limbs at different competitive levels. Sixteen male elite futsal players from the Spanish National Futsal League and thirteen male sub-elite futsal players from the third division participated in this study. Morphological asymmetry was assessed through bioelectrical impedance (fat-mass (g and %) and lean-mass (g)). Functional asymmetry was assessed by means of a 20-s static unipedal balance test. Finally, neuromuscular asymmetry was assessed using tensiomiography tests on both the rectus femoris (RF) and biceps femoris (BF) of each participant. The three tests conducted did not reveal significant bilateral asymmetries in elite players. On the other hand, sub-elite players showed significant bilateral asymmetry in fat-mass percentage between dominant and non-dominant limbs (+6%; CI95%: 1 to 11; ES: 0.88; p = 0.019). They also showed higher bilateral asymmetry in the delay time of the RF (+13%; CI95%: 7 to 21; ES: 1.3; p < 0.05). However, the static unipedal balance test (p > 0.05) did not evidence asymmetries regardless of the level of the participants. Elite futsal players do not develop bilateral asymmetries in lower limbs in the studied parameters. On the contrary, sub-elite players are likely to develop morphological and neuromuscular asymmetries between their dominant leg and non-dominant leg.
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15
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Huurnink A, Fransz DP, de Boode VA, Kingma I, van Dieën JH. Age-Matched Z-Scores for Longitudinal Monitoring of Center of Pressure Speed in Single-Leg Stance Performance in Elite Male Youth Soccer Players. J Strength Cond Res 2020; 34:495-505. [DOI: 10.1519/jsc.0000000000002765] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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16
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Read PJ, Oliver JL, De Ste Croix MBA, Myer GD, Lloyd RS. A Review of Field-Based Assessments of Neuromuscular Control and Their Utility in Male Youth Soccer Players. J Strength Cond Res 2019; 33:283-299. [PMID: 28658071 DOI: 10.1519/jsc.0000000000002069] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Read, PJ, Oliver, JL, Croix, MS, Myer, GD, and Lloyd, RS. A review of field-based assessments of neuromuscular control and their utility in male youth soccer players. J Strength Cond Res 33(1): 283-299, 2019-Lower-extremity injuries in male youth soccer are common and equate to a substantial time loss from training and competitions during the course of a season. Extended periods of absence will impact player involvement in skill and physical development activities, as well as participation in competitive match play. Neuromuscular risk factors for lower-extremity injury in male youth soccer players can be categorized into quadriceps dominance, leg dominance, ligament dominance, trunk dominance, and reduced dynamic stability. Valid screening methods to identify risk factors that are practically viable are needed for youth athletes who may be at a greater risk of injury in soccer. Although field-based tests of neuromuscular control provide a reliable option for the assessment of injury risk in adults and females, less data are available in male youth soccer players, and further research is required to examine their ability to predict injury risk. This article provides a review of the current literature pertaining to field-based screening tests and critically appraises their suitability for use with male youth soccer players. Currently, the only method that has been validated in male youth soccer players is the landing error scoring system. Asymmetrical anterior reach measured during the Y-Balance test may also be considered because of its strong predictive ability in male youth basketball players; however, further research is required to fully support its use with soccer players.
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Affiliation(s)
- Paul J Read
- School of Sport, Health and Applied Science, St Mary's University, London, United Kingdom.,Athlete Health and Performance Research Center, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Jon L Oliver
- Youth Physical Development Unit, School of Sport, Cardiff Metropolitan University, United Kingdom.,Sport Performance Research Institute, New Zealand (SPRINZ), AUT University, Auckland, New Zealand
| | | | - Gregory D Myer
- Division of Sports Medicine, Cincinnati Children's Hospital, Cincinnati, Ohio.,Department of Pediatrics and Orthopaedic Surgery, College of Medicine, University of Cincinnati, Cincinnati, Ohio.,The Micheli Center for Sports Injury Prevention, Boston, Massachusetts.,Department of Orthopaedics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Rhodri S Lloyd
- Youth Physical Development Unit, School of Sport, Cardiff Metropolitan University, United Kingdom.,Sport Performance Research Institute, New Zealand (SPRINZ), AUT University, Auckland, New Zealand.,Center for Sport Science and Human Performance, Waikato Institute of Technology, New Zealand
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17
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Pau M, Porta M, Arippa F, Pilloni G, Sorrentino M, Carta M, Mura M, Leban B. Dynamic postural stability, is associated with competitive level, in youth league soccer players. Phys Ther Sport 2018; 35:36-41. [PMID: 30419410 DOI: 10.1016/j.ptsp.2018.11.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/02/2018] [Accepted: 11/03/2018] [Indexed: 12/28/2022]
Abstract
OBJECTIVES To assess the effect of competitive level on dynamic postural stability in young elite and sub-elite soccer players. DESIGN Cross-sectional study. SETTING Laboratory. PARTICIPANTS Fifty-four male soccer players of Under 16 and Under 17 categories (mean age 15.9 ± 0.6), divided into two groups who regularly compete at national (n = 28) and regional (n = 26) levels. MAIN OUTCOME MEASURES Dynamic Postural Stability Index (DPSI) and vertical Time to Stabilization (vTTS) for a forward-jump landing. Static postural sway was calculated on the basis of center-of-pressure trajectories for a 20 s one-legged stance. RESULTS Players at national level exhibit better dynamic postural control than those at regional level, as indicated by the significantly lower DPSI (0.327 vs. 0.373, p < 0.001) and vTTS (0.887 vs. 1.158 s, p = 0.003). In contrast, no differences between groups were found in any of the postural sway parameters for the static test. CONCLUSIONS Young soccer players at national level are characterized by better balance performance in terms of faster and more efficient stabilization after a forward jump, while one-leg static standing tests appear not challenging enough to reveal differences in balance abilities associated with the combination of superior technical and physical features.
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Affiliation(s)
- Massimiliano Pau
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy.
| | - Micaela Porta
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - Federico Arippa
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - Giuseppina Pilloni
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - Marco Sorrentino
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - Marco Carta
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | | | - Bruno Leban
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
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18
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Solleveld H, Flutter J, Goedhart A, VandenBossche L. Are oral health and fixed orthodontic appliances associated with sports injuries and postural stability in elite junior male soccer players? BMC Sports Sci Med Rehabil 2018; 10:16. [PMID: 30377533 PMCID: PMC6196014 DOI: 10.1186/s13102-018-0105-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 09/25/2018] [Indexed: 11/10/2022]
Abstract
Background Dental caries and periodontitis are associated with elevated levels of pro-inflammatory cytokines which may trigger muscle fatigue during exercise, a strong risk factor for sports injuries. Fixed orthodontic appliances (FOA) may cause poor oral health and may disturb proprioceptive inputs of the stomatognathic system. This study aims to explore associations of poor oral health and of use of a FOA with injury frequency and postural stability. Methods One hundred eighty seven Belgian elite junior male soccer players, aged 12-17 years, completed a self-report questionnaire asking about injuries in the past year, oral health problems, use of a FOA, demographics and sports data, and stood in unipedal stance with eyes closed on a force plate to assess postural stability. Results Ordinal logistic regression with number of injuries in the past year as ordinal dependent variable and dental caries and/or gum problems, age and player position as covariates, showed that participants who reported dental caries and/or gum problems and never had had a FOA reported significant more injuries in the past year compared to the reference group of participants who reported no oral health problems and never had had a FOA (adjusted OR = 2.45; 95% CI, 1.19-5.05; p = 0.015). A 2 (temporomandibular joint problems) × 2 (FOA) × 2 (age) ANOVA with postural stabilities as dependent variables, showed a significant FOA x age interaction for the non-dominant (standing) leg. Post-hoc t-tests showed a significant better postural stability for the non-dominant leg (and a trend for the dominant leg) for the older compared with the younger participants in the non-FOA group (p = .002, ES = 0.61), while no age differences were found in the FOA-group. Conclusions These results indicate that poor oral health may be an injury risk factor and that a FOA may hinder the development of body postural stability.
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Affiliation(s)
| | - John Flutter
- General Dentist, 117 Warry Street, Fortitude Valley, 4006 Australia
| | | | - Luc VandenBossche
- 3Physical Rehabilitation and Sports Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Ghent, Belgium
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19
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Funk S, Jacob T, Ben-Dov D, Yanovich E, Tirosh O, Steinberg N. A balance and proprioception intervention programme to enhance combat performance in military personnel. J ROY ARMY MED CORPS 2017; 164:52-57. [PMID: 28916583 DOI: 10.1136/jramc-2017-000809] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 07/02/2017] [Accepted: 07/04/2017] [Indexed: 11/04/2022]
Abstract
BACKGROUND Optimal functioning of the lower extremities under repeated movements on unstable surfaces is essential for military effectiveness. Intervention training to promote proprioceptive ability should be considered in order to limit the risk for musculoskeletal injuries. The aim of this study was to assess the effect of a proprioceptive intervention programme on static and dynamic postural balance among Israel Defense Forces combat soldiers. METHODS Twenty-seven male soldiers, aged 18-20 years, from a physical fitness instructor's course, were randomly divided into two groups matched by age and army unit. The intervention group (INT) underwent 4 weeks of proprioceptive exercises for 10 min daily; the control group underwent 4 weeks of upper body stretching exercises for 10 min daily. All participants were tested pre and postintervention for both static and dynamic postural balance. RESULTS Significant interaction (condition*pre-post-test*group) was found for static postural balance, indicating that for the INT group, in condition 3 (on an unstable surface-BOSU), the post-test result was significantly better compared with the pretest result (p<0.05). Following intervention, the INT group showed significant correlations between static postural stability in condition 2 (eyes closed) and the dynamic postural stability (length of time walked on the beam following fatigue) (r ranged from 0.647 to 0.822; p<0.05). CONCLUSIONS The proprioceptive intervention programme for combat soldiers improved static postural balance on unstable surfaces, and improved the correlation between static postural balance in the eyes closed condition and dynamic postural balance following fatigue. Further longitudinal studies are needed to verify the relationship between proprioception programmes, additional weight bearing and the reduction of subsequent injuries in combat soldiers.
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Affiliation(s)
- Shany Funk
- Combat Fitness Department, Doctrine and Research Branch, Israel Defense Forces (IDF), Netanya, Israel
| | - T Jacob
- Combat Fitness Department, Doctrine and Research Branch, Israel Defense Forces (IDF), Netanya, Israel
| | - D Ben-Dov
- Combat Fitness Department, Doctrine and Research Branch, Israel Defense Forces (IDF), Netanya, Israel
| | - E Yanovich
- Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya, Israel
| | - O Tirosh
- School of Health Sciences, Swinburne University of Technology, Melbourne, Victoria, Australia
| | - N Steinberg
- Wingate College of Physical Education and Sports Sciences, Wingate Institute, Netanya, Israel
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20
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Krkeljas Z. Comparison of jump-landing protocols with Biodex Balance System as measures of dynamic postural stability in athletes. Sports Biomech 2017; 17:371-382. [PMID: 28730881 DOI: 10.1080/14763141.2017.1348537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The objective of the study was to determine whether a relationship exists between the two common methods for assessing postural stability in athletes: the time-to-stabilisation (TTS) via force-plate and the Biodex Balance System (BBS). The conditions under which these measurements assess dynamic postural control may not provide sufficient feedback to practitioners. Fourty-four amateur soccer players with no history of musculoskeletal disorders volunteered for the study. Pearson correlation was used to compare the anterior-posterior (AP), medio-lateral (ML), and the overall stability indexes measured by BBS, with the corresponding parameters of TTS assessed via force plate. There was no significant correlation between any parameters of dynamic stability measured by force-plate and the stability indexes. However, there was a significant correlation between the resulting vectors and the AP component of TTS for each jump protocol. Furthermore, forward drop landing exhibited shortest TTS in AP direction, while lateral drop landing resulted in longer ML TTS relative to both forward jumps (p < 0.001). These results demonstrate that the TTS and BBS stability indexes should be used as distinct measures of dynamic postural stability. TTS protocols may be modified to target a specific training conditions or athletic population.
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Affiliation(s)
- Zarko Krkeljas
- a Physical activity, Sport and Recreation Research Entity , North-West University , Potchefstroom , South Africa.,b Department of Sport Science , University of Stellenbosch , Stellenbosch , South Africa
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21
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Paillard T. Plasticity of the postural function to sport and/or motor experience. Neurosci Biobehav Rev 2017; 72:129-152. [DOI: 10.1016/j.neubiorev.2016.11.015] [Citation(s) in RCA: 103] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 10/27/2016] [Accepted: 11/15/2016] [Indexed: 11/27/2022]
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22
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Nikolaidis PT, Ruano MAG, de Oliveira NC, Portes LA, Freiwald J, Leprêtre PM, Knechtle B. Who runs the fastest? Anthropometric and physiological correlates of 20 m sprint performance in male soccer players. Res Sports Med 2016; 24:341-351. [DOI: 10.1080/15438627.2016.1222281] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | - M. A. G. Ruano
- Faculty of Physical Activity and Sport Sciences, Universidad Politecnica de Madrid, Madrid, Spain
| | - N. C. de Oliveira
- Research Group in Physical Exercise, Lifestyle and Health Promotion, Adventist University of Sao Paolo, Sao Paulo, Brazil
| | - L. A. Portes
- Research Group in Physical Exercise, Lifestyle and Health Promotion, Adventist University of Sao Paolo, Sao Paulo, Brazil
| | - J. Freiwald
- Research Center for Performance Diagnostics and Training Advice, University of Wuppertal, Wuppertal, Germany
| | - P. M. Leprêtre
- UFR-STAPS, Université de Picardie Jules Verne, Amiens, France
| | - B. Knechtle
- Instutute of Primary Care, University of Zurich, Zurich, Switzerland
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23
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Steinberg N, Nemet D, Pantanowitz M, Zeev A, Hallumi M, Sindiani M, Meckel Y, Eliakim A. Longitudinal Study Evaluating Postural Balance of Young Athletes. Percept Mot Skills 2016; 122:256-79. [DOI: 10.1177/0031512516628989] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Repeated anaerobic conditions during athletic performance may cause general and local fatigue that result in postural balance deficit. Evidence suggests that improved postural balance during athletic training may decrease the risk for fallings and traumatic injuries among athletes. Twenty athletes (12 girls, 8 boys) and 20 controls (12 girls, 8 boys) ages 10–15 years participated in the current study. All athletes were active in an 8-month physical activity program, 3 times per week for 90 min., specific to basketball, soccer, or athletic training. The control children participated in physical education at school only, with no involvement in organized extracurricular sports. All participants were evaluated for postural balance in three assessments over one year (at 4-mo intervals); the Interactive Balance System machine (Tetrax device) was used to assess balance at three test times (pre-, post-, and 10 min) after a session of a repeated sprint anaerobic test, consisting of 12 × 20 m run starting every 20 sec. The athletes had better postural balance than controls. There were different group patterns of change over the sessions; a significant interaction of session and group indicated that postural balance of the groups differed. The contribution of low sway frequencies (F1) and high sway frequencies (F6) differed between the controls and the athletes group. Results suggested that although athletes had better postural balance, improvement should be encouraged during training over the sessions and seasons, with special awareness of the balance deficit that occurs immediately after anaerobic stress and at the end of the season, to decrease the risk of injuries.
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Affiliation(s)
- Nili Steinberg
- Wingate College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
| | - Dan Nemet
- Child Health and Sports Center Department of Pediatrics, Meir Medical Center, Sackler School of Medicine, Tel-Aviv University, Kfar-Saba, Israel
| | - Michal Pantanowitz
- Child Health and Sports Center Department of Pediatrics, Meir Medical Center, Sackler School of Medicine, Tel-Aviv University, Kfar-Saba, Israel
| | - Aviva Zeev
- Wingate College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
| | - Monder Hallumi
- Wingate College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
| | - Mahmood Sindiani
- Wingate College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
| | - Yoav Meckel
- Wingate College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
| | - Alon Eliakim
- Child Health and Sports Center Department of Pediatrics, Meir Medical Center, Sackler School of Medicine Tel-Aviv University, Kfar-Saba, Israel
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Relationship between static and dynamic balance abilities in Italian professional and youth league soccer players. Phys Ther Sport 2015; 16:236-41. [DOI: 10.1016/j.ptsp.2014.12.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 11/26/2014] [Accepted: 12/09/2014] [Indexed: 12/18/2022]
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