@@ Despite the implementation of accelerated ACL rehabilitation and improved surgical technique,persistent quadriceps weakness continues to be reported in the literature following ACL reconstruction.[1-4]The literature suggests,that the exclusive use of multijoint CKC exercises may not be selective enough in the recruitment of the quadriceps muscle.[5,6]Ernest et al demonstrated that hip and ankle extensors may compensate for a weak quadriceps during the lateral step-up exercise in subjects status post ACL reconstruction.[3]
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