Muscle Atlas


Origin: Anterior part of the popliteal groove on lateral surface of lateral femoral condyle
Insertion: Posterior surface of tibia in a fan-like fashion, just superior to the popliteal line
Action: Rotates knee medially and flexes the leg on the thigh
Innervation: Tibial nerve (L4, L5, S1)
Arterial Supply: Medial inferior genicular branch of popliteal artery and muscular branch of posterior tibial artery

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