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Human Anatomy: Muscle Groups


Human Anatomy



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Muscle Function & Other Pertinent Medical Information
- OBTURATOR EXTERNUS -
ORIGIN: Outer obturator membrane , rim of pubis and ischium bordering it
INSERTION: Trochanteric fossa on medial surface of greater trochanter
ACTION: laterally rotates hip
NERVE: Posterior division of obturator nerve (L2,3,4)













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