Y Balance Test™ Anterior Reach Symmetry at Three Months is related to Single Leg Functional Performance at Time of Return to Sports Following Anterior Cruciate Ligament Reconstruction

Authors:   Garrison JC, Bothwell JM, Wolf G, Aryal S, Thigpen CA

Restoration of symmetrical strength, balance, and power following anterior cruciate ligament reconstruction (ACL-R) are thought to be important factors for successful return to sports. Little information is available regarding early rehabilitation outcomes and achieving suggested limb indices of 90% on functional performance measures at the time of return to sports (RTS).  The purpose of this study was to examine the relationship between symmetry of the anterior reach of the Y Balance Test™ (YBT-ANT) at 12 weeks and functional performance (Vail Sport Test™) measures at time of return to sports after anterior cruciate ligament (ACL) reconstruction. The authors found that in participants following ACL-R who demonstrated  >4cm YBT-ANT deficits at 12 weeks on their involved limb did not tend to achieve 90% LSI for the single hop for distance and triple hop for distance at time of return to sports. The YBT-ANT at 12 weeks and Vail Sport Test™ appear to measure different constructs following ACL-R.

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