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Human Anatomy: Muscle Groups


Human Anatomy



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Muscle Function & Other Pertinent Medical Information
- SEMIMEMBRANOSUS -
ORIGIN: Upper outer quadrant of posterior surface of ischial tuberosity
INSERTION: Medial condyle of tibia below articular margin, fascia over popliteus and oblique popliteal ligament
ACTION: Flexes and medially rotates knee. Extends hip
NERVE: Tibial portion of sciatic nerve (L5, S1)






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