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Human Anatomy: Muscle Groups


Human Anatomy



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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)








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