Previous reports have identified increases in the knee abduction angle and knee abduction moment during landing and the cutting maneuver as biomechanical risk factors for anterior cruciate ligament (ACL) injury. Decreasing knee valgus has therefore been an important component of the ACL injury prevention program. ACL injury prevention training is now conducted worldwide and it has been proven effective. However there is no consensus on the preventative effect of training. The purpose of this study is to summarize the biomechanical factors for ACL injury as well as efficacy of the ACL injury prevention program. We also offer a suggestion for ACL injury prevention programming in the future.
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