The anterior cruciate ligament (ACL) is one of the main stabilizing ligaments in the knee. A tear of the ligament can be partial or complete. It is a serious injury leading to destabilization of the knee.

Ligaments are strong, leather-like fibers of connective tissue that enclose a joint. They can be stretched (sprained), or partially or completely torn.

A patient can tear one or more ligaments, or ligaments and menisci simultaneously. The degree of damage depends on the direction and magnitude...