![]() ![]() The PCL or posterior cruciate ligament is the ACL’s counterpart, and the two ligaments are essentially crisscrossed deep in the middle of the knee. The greatest amount of tension on the ACL is when the knee is flexed 30 degrees. The ACL is comprised of 2 different bundles, the anteromedial bundle that tightens in flexion, and the posterolateral bundle, which tightens in full extension. Additionally the ACL protects the knee against varus and valgus stress when the knee is in full extension. The anterior cruciate ligament, or ACL, is one of the two major intra-articular ligaments of the knee (think deep inside) and the primary ligament of the knee that helps to stabilize and prevent the leg from falling forward. This will be an extensive review of what the anterior cruciate ligament is, what it does, how it is repaired and review of some long-term associated issues. The following article will discuss a very common injury in basketball, the infamous anterior cruciate ligament tear.
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