Outdoor obturator muscle
Outdoor obturator muscle, m. obturatorius externus, is the wrong shape of a triangle. It starts from the obturator membrane and bone edge of the obturator foramen broader their part; then the muscle bundles, fan-shaped converging pass into the tendon adjacent to the rear surface of the capsule of the hip joint . The muscle is attached to the trochanteric fossa, near the eponymous inner muscle.
Function: rotates the hip outwards.
Innervation: n. obturatorius (plexus lumbalis) [(LII) LIII-LIV].
Blood supply: aa. obturatoria, circumflexa femoris lateralis.
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