Cruciate ligament injury - anterior; ACL injury; Knee injury - anterior cruciate ligament (ACL)
- A "popping" sound at the time of injury
Knee swellingwithin 6 hours of injury
- Pain, especially when you try to put weight on the injured leg
Those who have only a mild injury may notice that the knee feels unstable or seems to "give way" when using it.
Review Date: 08/26/2009
Reviewed By: Dennis Ogiela, MD, Orthopedic Surgeon, Danbury Hospital, Danbury, CT. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.