Anterior Cruciate Ligament (ACL) rupture is one of the most common serious knee injuries in field and court sports, with an estimated 70% of these injuries being non-contact in nature, often from sudden changes in direction or pivoting [3]. ACL injury results in both short- and long-term consequences for the athlete, which may include surgery, decreased activity levels, elevated pain levels during activities and increased risk of osteoarthritis. Previous studies have shown that knee abduction and tibial internal rotation moments independently strain the ACL, and that these moments have an interaction effect at physiologic load levels, creating strains approaching the reported range of ACL rupture [2, 6–8].

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