Closed Kinetic Chain Assessment Following Inversion Ankle Sprain

in Journal of Sport Rehabilitation
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The purpose of this study was to compare the injured versus noninjured lower extremity on three single-leg hop tests following inversion ankle sprain. Twenty-two subjects with a history of unilateral inversion ankle sprain participated in this study. Subjects performed the three single-leg hop tests (hop for distance, hop for time, and agility hop). An independent t test was used to compare extremities. No significant differences existed on any hop test for the 22 subjects. In 8 of the 22 subjects who reported pain with activities of daily living and/or sports activities, an independent t test revealed no significant difference on hop test performance between extremities. We conclude that these three single-leg hop tests lack sensitivity (validity) in detecting lower extremity performance deficits as reported by the subjects following inversion ankle sprain.

Teddy W. Worrell is with the Krannert School of Physical Therapy, University of Indianapolis, Indianapolis, IN 46227-3697. Laurie D. Booher and Karla M. Hench were students at the Krannert School of Physical Therapy, University of Indianapolis, at the time of this study and are now with Saint Francis Hospital Physical Therapy, Beech Grove, IN 46107.

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