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The effects of functional fatigue on dynamic postural control of badminton players as measured by Y balance test

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Author(s): AMIR SARSHIN | SARDAR MOHAMMADI | HOSSEIN BABAEI POR

Journal: Biology of Exercise
ISSN 1791-325X

Volume: 7;
Issue: 2;
Start page: 25;
Date: 2011;
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Keywords: Sport exercises | neuromuscular control | limb stability

ABSTRACT
Good postural control provides inherent protection against lower limb joint injuries and several studies have been implemented in order to examine the effect of fatigue as an unavoidable component of daily activities and sport exercises on neuromuscular control and lower limb stability but none of them have dealt with the impact of fatigue resulting from the simulated activities of the matches. Thus, the purpose of this study is to ex-amine the effect of the fatigue related to functional and simulated activities of Badminton players on dynamic postural control. Twenty healthy students of the major of physical education who had played badminton for at least two years (age: 21.4±1.63Yr,weight: 72.1±5.2kg, height: 175.12±3.5cm) volunteered to participate in this study. Pre test of Y balance test (YBT), the protocol of functional fatigue composed of six stages, and post-test of YBT were performed. A Multi-variable variance analysis (MANOVA) and paired t-test were used in order to analyze the data. The findings demonstrated a significant difference between the performance of the subjects of the two groups in three directions and the total score of YBT that indicated a decrease in the dynamic postural control after functional fatigue. The results of the study support the hypothesis of the effect of functional fatigue on the decrease in the dynamic postural control of Badminton players. Therefore, they may be in danger of lower extremity injuries.
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