has muscle origin has muscle origin has muscle insertion has muscle insertion femur lumbar vertebra muscle of vertebral column puboischiofemoralis internus muscle A single large dorsal limb rotator muscle in lower tetrapods that runs from the lumber region and girdle to the femur. 3 muscles differentiate from this: psoas, iliacus and pectineus. UBERON:0014843 UBERON:0011643 puboischiofemoralis internus puboischiofemoralis muscle