If you are lying on your chest, bring your heel up and then towards your butt. This motion uses your hamstring. What ligament (or tendon) attaches your hamstring to your knee?What knee ligament is responsible for the motion of a leg curl (using your hamstring)?The knee joint joins the thigh with the leg and consists of two articulations: one between the femur and tibia, and one between the femur and patella.[1] It is the largest joint in the human body and is very complicated.[2] The knee is a mobile trocho-ginglymus (i.e. a pivotal hinge joint),[3] which permits flexion and extension as well as a slight medial and lateral rotation. Since in humans the knee supports nearly the whole weight of the body, it is the joint most vulnerable to both acute injury and the development of osteoarthritis.
It is often grouped into tibiofemoral and patellofemoral components.[4][5] (The fibular collateral ligament is often considered with tibiofemoral components.)
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