ACL degrees:

An injury to the anterior cruciate ligament (ACL) may be described as a partial tear, complete tear or an avulsion (tearing away) from the bone attachments that form the knee.
- 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.