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- Title
Prophylactic ankle bracing reduces rearfoot motion during sudden inversion.
- Authors
Cordova, M. L.; Dorrough, J. L.; Kious, K.; Ingersoll, C. D.; Merrick, M. A.
- Abstract
The purpose of this study was to evaluate the effects of ankle bracing on rearfoot angular displacement and angular velocity during a sudden inversion movement. A 1 × 3 factorial design was used. The single independent variable was ankle brace condition with three levels: semi-rigid, lace-up and control. The two dependent variables were rearfoot average angular displacement and average angular velocity. Twenty-four healthy volunteers participated in this study. A motion analysis system was used to capture, model and calculate two-dimensional rearfoot motion while the subjects' ankle/foot complex was inverted to 35° on a platform device. All subjects performed five trials of each ankle brace condition, and the average of these trials was used for statistical analysis. The semi-rigid brace significantly reduced rearfoot angular displacement and angular velocity compared with the lace-up ( P<0.05) and control conditions ( P<0.05). Additionally, the lace-up style brace demonstrated significantly less rearfoot angular displacement and angular velocity compared with the control condition ( P<0.05). These results demonstrate that a semi-rigid ankle brace is more superior then a lace-up style brace in limiting rearfoot angular displacement and angular velocity. Moreover, the lace-up style brace offers significant restriction of these measures compared with no support.
- Subjects
RANGE of motion of joints; PRONATION; ORTHOPEDIC braces; ANKLE; FOOT; ACCIDENT prevention; FOOT injuries; SUPINATION
- Publication
Scandinavian Journal of Medicine & Science in Sports, 2007, Vol 17, Issue 3, p216
- ISSN
0905-7188
- Publication type
Article
- DOI
10.1111/j.1600-0838.2006.00561.x