Anterior cruciate ligament (ACL) injury:

Injury to the anterior cruciate ligament (ACL) is very common and usually the result of a twisting of the leg while applying full downward pressure.
- Reviewed last on: 7/17/2008
- Andrew L. Chen, MD, MS, Orthopedist, The Alpine Clinic, Littleton, NH. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.