Effect of a 4-Week Agility-Training Program on Postural Sway in the Functionally Unstable Ankle

in Journal of Sport Rehabilitation
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Agility training has been proposed as an important tool in rehabilitation. However, it is unclear which types of agility training are most useful.


To assess the effects of agility training on balance in individuals with functionally unstable ankles.


A 2-group experimental design with repeated measures.




Twenty college-aged volunteers, each with 1 functionally unstable ankle, were randomly assigned to 1 of 2 groups.


Subjects in the experimental group performed agility training 3 times per week for 4 weeks.

Main Outcome Measures:

Subjects were tested for static single-leg balance before and after the training period. Anterior/posterior sway amplitude, medial/lateral sway amplitude, and sway index were assessed using the Chattex Balance System.


No significant differences in balance were found after the agility training.


Agility training did not improve static single-leg balance in subjects with functionally unstable ankles.

Hess is with the US Olympic Committee, Lake Placid, NY 12946. Joyce is with the Department of Health Sciences at the University of North Florida, Jacksonville, FL 32224-2645. Arnold and Gansneder are with the Department of Human Services at the University of Virginia, Charlottesville, VA 22903.

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