Human Anatomy: Muscle Groups |
Muscle Function & Other Pertinent Medical Information | |
- OBTURATOR INTERNUS - | |
ORIGIN: | Inner surface of obturator membrane and rim of pubis and ischium bordering membrane |
INSERTION: | Middle part of medial aspect of greater trochanter of femur |
ACTION: | Laterally rotates and stabilizes hip |
NERVE: | Nerve to obturator internus (L5, S1, 2) |