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Torn ACL (cont.)

Is It Possible to Prevent a Torn ACL?

The risk of ACL injuries may be decreased by performing training drills that work on balance, agility, and power. By teaching the muscles that surround the knee how to react when placed under stress, this muscle memory may help protect the knee joint when a potential injury situation exists. Neuromuscular conditioning occurs unconsciously as jumping and balancing exercises are performed on a routine basis.

The Santa Monica Sports Medicine Foundation has developed a warm-up exercise program (Pep Program) designed to decrease the risk of knee injuries. It includes warm-ups, strengthening, plyometrics, agilities, and stretching.

What Is the Prognosis for an ACL Tear?

The success rate for surgical reconstruction of an ACL injury is between 75% and 95%. Operations fail because the graft fails to heal or reinjury occurs.


Charlton, W.P.H., et al. "Differences in Femoral Notch Anatomy between Men and Women. A Magnetic Resonance Imaging Study." Am J Sports Med 30.3 May 2002: 329-333.

"Management of Anterior Cruciate Ligament Injuries: Evidence-Based Practice Guideline." American Academy of Orthopaedic Surgeons. Sept. 5, 2014. <>.

Simon, R., and S. Sherman. Emergency Orthopedics. China: McGraw-Hill Professional, 6th Edition, 2011.

Medically Reviewed by a Doctor on 7/21/2016

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