Human Anatomy: Muscle Groups |
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) |