Volume 4, Issue 4 (Winter 2015)                   PTJ 2015, 4(4): 183-190 | Back to browse issues page

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Sahebozamani M, Amir Seyfaddini M R, Mohammadi H. Effects of Lace-up and Aircast Ankle Braces on Dynamic Postural Control in Functional Fatigue Condition: A Study on Volleyball Players with Ankle Instability. PTJ 2015; 4 (4) :183-190
URL: http://ptj.uswr.ac.ir/article-1-169-en.html
1- Organization
2- Department of Corrective Exercises and Sports Injuries, Faculty of Physical Education & Sport Sciences, University of Tehran, Iran.
Abstract:   (5694 Views)
Purpose: To determine the more effective ankle brace (lace-up or Aircast ankle brace) at providing dynamic postural control in volleyball players with unstable ankle under functional fatigue conditions. 
Methods: Subjects of this study participated in 3 separate testing sessions and did not use or used a different brace at each session i.e. no brace (NB), lace-up ankle brace (AB), and Aircast ankle brace (AA). Through each testing sessions the functional fatigue protocol was performed and dynamic postural control test was performed by Biodex Balance System (single leg stability testing in difficulty level 4) after induced functional fatigue. They were 15 volleyball players with at least 3 years playing record in the national and or Kerman Province leagues at youth and teenagers levels (mean age 19.46±1.50 years, mean height 182.53±5.28 cm, mean mass 67.70±5.91 kg, VO2max 52.05±2.97 mL/kg/min) and stratified sampling method was used. All two by two comparisons were performed by using 1-way repeated measures analysis to investigate the effects of different braces. Data analysis was done by SPSS 16 and significance level was P≤0.05. 
Results: According to the results, both types of ankle brace could improve dynamic postural control under functional fatigue condition. Although lace-up ankle brace was more efficient than Aircast ankle brace, the difference was not statistically significant. 
Conclusion: In athletes with unstable ankle, a brace can prevent ankle sprain via improving dynamic postural control in fatigue condition.
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Type of Study: Research | Subject: Special
Received: 2014/08/10 | Accepted: 2014/12/14 | Published: 2015/01/1

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