Monday 1 September 2014

Origin/Insertion of Muscles - Abductor Muscles - Piriformis

Piriformis
Origin: Anterior surface of the lateral sacrum
Insertion: Greater trochanter of femur along upper medial surface
Action: Laterally rotates thigh at hip; abducts thigh if hip flexed

Piriformis Muscle

Lateral surface (Piriformis muscle)

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