Balance Performance With and Without Visual Information: A Comparison of Elite Players With Chronic Ankle Instability

Document Type : Research Paper

Authors

1 Department of Sport Injuries and Corrective Exercises, Faculty of Sport Science, Arak University, Arak, Iran.

2 Department of Sports Injuries and Corrective Exercises, Faculty of Sport Science, University of Bu-Ali Sina, Hamedan, Iran.

Abstract

Introduction: This research was conducted to determine whether professional athletes with Chronic Ankle Instability (CAI) exhibit differences in maintaining balance under conditions of with and without visual information
Materials and Methods: Forty-five elite players with CAI were classified into soccer, volleyball, and basketball groups (n=15 each). All participants performed a static single-leg balance test in conditions wherein visual information was provided and withheld. Also, their center of pressure (CoP) oscillation parameters was measured. The data were examined through an analysis of variance (ANOVA) and the Tukey test.
Results: A significant difference was found between the soccer and volleyball players (P=0.034) in anteroposterior CoP displacement. Furthermore, there was a significant difference between soccer compared with volleyball (P=0.001) and basketball (P=0.02) groups regarding mediolateral sway and sway area (P=0.003 and P=0.03, respectively) when they performed the test with their eyes open. A significant difference occurred between the soccer and volleyball players concerning anteroposterior and mediolateral sway (P=0.002 and P=0.04, respectively) and sway area (P=0.004) when they performed the test with their eyes closed.
Conclusion: Given the necessity of maintaining a good balance in sports, volleyball coaches should design practices that reduce players’ reliance on visual information. These practices should strengthen their proprioceptive abilities through an increased challenge to their proprioceptive senses.

Keywords

Sport Sciences and Health Research
Volume 11, Issue 2
July 2019
Pages 125-132

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