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ACL Injury Prevention

ACL Injury Prevention Program

Compiled by

 Dr. Mike Armstrong, EdD, NBCT, NASE, CTBS, USAW, SPARQ

Female athletes are at a higher risk for ACL injuries than males. The risk of ACL injuries in female teenage athletes is up to six times higher than in male athletes of the same age, competing in the same sports. The risk of an ACL injury is highest in the 15-19 age groups and among those playing sports such as soccer, volleyball and basketball. The majority of ACL injuries are non-contact injuries resulting from landing from a jump, performing a cutting maneuver, or decelerating suddenly.

One of the biological reasons female athletes are at higher risk is that their hips are wider than males. This characteristic makes them great squatters but puts their Q-angle at a higher degree than males This Q-angle which is about 18 degrees, where as  a male’s is about 12 degrees, tends to cause a Valgus position (shown below). Video analysis has shown that during landing, cutting and decelerating movements on occasions when injury occurred, the knee or knees tended to be in (or very close to) full extension; the body’s center of mass was behind and away from the weight bearing limb and the knee was in a valgus position — i.e., with the hip internally rotated and adducted and the tibia externally rotated.

In order to counteract the biological and biomechanical deficiencies, we have designed and ACL Injury Prevention Program to lessen the propensity for injury. For a copy of program or if you have any questions, contact Dr. Armstrong.

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