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Human Anatomy: Muscle Groups


Human Anatomy



<> Return To Muscle Groups Menu <>

Muscle Function & Other Pertinent Medical Information
- PSOAS MAJOR -
ORIGIN: Transverse processes of L1-5, bodies of T12-L5 and intervertebral discs below bodies of T12-L4
INSERTION: Middle surface of lesser trochanter of femur
ACTION: Flexes and medially rotates hip
NERVE: Anterior primary rami of L1,2












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