Piriformis - Musculus piriformis

Anatomical hierarchy

General terms > Myology > Muscles of pelvic limb > Piriformis



Origin: Lateral surface of the third sacral and first caudal vertebrae.

Insertion: Greater trochanter of the femur.

Action: Extension of the hip joint.

Nerve: Gluteus caudalis.

Text by Antoine Micheau, MD - Copyright IMAIOS


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