This video clip is from the online video lecture for module S5, which covers the bones, joints and common injuries of the thigh and knee. In this clip, we explore the ACL and PCL, two of the major ligaments of the knee joint. The ACL (anterior cruciate ligament) limits excessive anterior translation of the tibia relative to the femur (or if the foot is fixed, posterior translation of the femur relative to the tibia) and excessive rotation between the femur and tibia. A "torn ACL" is a very common sports injury. The PCL (posterior cruciate ligament) limits excessive posterior translation of the tibia relative to the femur (or if the foot is fixed, excessive anterior translation of the femur relative to the tibia).

ASFYT.com

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