An ACL tear most often occurs during sporting activities when an athlete suddenly pivots, causing excessive rotational forces on the ligament.

The diagnosis of an ACL injury usually includes X-rays, MRI scans and stress tests of the ligament.

ACL reconstruction is usually performed several weeks after the injury. During ACL reconstruction surgery, the torn ligament must be entirely removed, and a new ACL must be reconstructed using other, healthy tissue. Because the ACL does not heal on its own, an ACL reconstruction requires a tissue graft. Commonly this procedure involves using a segment of another larger ligament or tendon to replace the damaged ACL. The options that can be used for ACL reconstruction include: Patellar Ligament, Hamstring Tendons, Allograft (Donor Tissue).

Most patients experience full recovery and resume their previous lifestyle, including professional athletes. Usually a patient returns to activities of normal daily living within a few weeks, and sports by six months post surgery.

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