Piriformis

From WikiMD's Food, Medicine & Wellness Encyclopedia

Piriformis is a skeletal muscle that originates at sacrum Inserts to greater trochanter, and is supplied by (artery, nerve) and actions include Inferior gluteal artery, Lateral sacral artery, Superior gluteal artery nerve to the Piriformis (S1 and S2 nerve roots)[6] laterally rotate (outward) the thigh

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