Hamstrings flex the knee and extend the hip from "summary" of Bd Chaurasia's Human Anatomy, Volumes 3 & 4 by B. D. Chaurasia
The hamstrings are a group of muscles located in the posterior thigh region. These muscles play a crucial role in the movement of the lower limb. The hamstrings consist of three muscles: the biceps femoris, semitendinosus, and semimembranosus. One of the primary functions of the hamstrings is to flex the knee joint. This action is essential for activities such as walking, running, and climbing stairs. When the hamstrings contract, they pull the lower leg towards the back of the thigh, causing the knee to bend. This movement is crucial for the smooth and coordinated movement of the lower limb. In addition to knee flexion, the hamstrings also play a role in extending the hip joint. Hip extension is the movemen...
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