posterior thigh

Semimembranosus

Semimembranosus The structure indicated is the semimembranosus muscle. The semimembranosus muscle is one of three muscles in the posterior compartment of the thigh. The other muscles are the semitendinosus, and the biceps femoris. The muscles in the posterior compartment are often referred to as the “hamstrings” muscles. Collectively, these muscles are responsible for extending the hip joint, and flexing the knee joint. The biceps femoris lies laterally, and the semitendinosus and semimembranosus lie medially. The semitendinosus gets its name from its structure which is comprised of a muscle belly which tapers into a long tendon that extends to insert onto …

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semimembranosus

Biceps Femoris

Biceps Femoris The structure indicated is the biceps femoris muscle of the thigh. The biceps femoris muscle is one of three muscles in the posterior compartment of the thigh. The other muscles are the semimembranosus, and the semitendinosus. The muscles in the posterior compartment are often referred to as the “hamstrings” muscles. Collectively, these muscles are responsible for extending the hip joint, and flexing the knee joint. The biceps femoris lies laterally, and the semitendinosus and semimembranosus lie medially. Just like the biceps muscle in the arm, the biceps brachii , which is Latin for “two headed muscle (biceps) of …

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Biceps Femoris