ACL

Anterior cruciate ligament

ACL refers to the anterior cruciate ligament, which is one of the four ligaments found in the knee. The primary function of this ligament is to prevent excessive forward movement of the tibia (shin bone), which is the bone that sits directly beneath the femur. The ACL also provides stability in the knee and allows for angulation and rotation in the joint. The ACL extends from its attachment at the posterior of the femur to the anterior of the tibia.

Ligaments are a tough and fibrous tissue. Three other ligaments help to stabilize the knee – the posterior cruciate ligament (PCL) and the medial and lateral collateral ligament, but it is the ACL that is most commonly injured.

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