Synonyms German name: Birnenförmiger Muskel Definition The musculus piriformis is a pear-shaped muscle that belongs to the deep hip muscles. It helps, among other things, the external rotation, the abduction and the backward leading of the leg. Course of the musculus piriformis The musculus piriformis originates from the inner surface of the os sacrum (sacrum), … Piriformis muscle
Piriformis syndrome test The piriformis muscle runs from the sacrum to the greater trochanter of the femur. Regular stretching can relieve pain caused by the piriformis muscle. Stretching exercises relax the pelvic area and release the pressure caused by the tensed piriform muscle. The piriformis muscle is involved in the external rotation of the leg, … Piriformis syndrome test | Piriformis muscle
Innervation The piriform muscle is nerved by the plexus sacralis. The sacral plexus is a nerve plexus of the sacrum and is formed by the nerves L5 and S1. Diseases The great sciatic nerve runs between the piriform muscle and the pelvic bone in the foramen infrapiriforme. In the event of an accident, the piriformis … Innervation | Piriformis muscle
