Human Anatomy: Muscle Groups |
Muscle Function & Other Pertinent Medical Information | |
- SEMITENDINOSUS - | |
ORIGIN: | Upper inner quadrant of posterior surface of ischial tuberosity |
INSERTION: | Upper medial shaft of tibia below gracilis |
ACTION: | Flexes and medially rotates knee. Extends hip |
NERVE: | Tibial portion of sciatic nerve (L5, S1) |