External Obstructive Muscle
Last reviewed: 23.04.2024
All iLive content is medically reviewed or fact checked to ensure as much factual accuracy as possible.
We have strict sourcing guidelines and only link to reputable media sites, academic research institutions and, whenever possible, medically peer reviewed studies. Note that the numbers in parentheses ([1], [2], etc.) are clickable links to these studies.
If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please select it and press Ctrl + Enter.
The external obturator muscle (m.obturatorius externus) is triangular in shape, begins on the outer surface of the pubic bone and the leg of the ischium, as well as on the medial two-thirds of the occlusal membrane. The muscle bundles, converging, are directed back, laterally and upward. The tendon of the muscle passes behind the hip joint and is attached to the fossa of the femur and to the joint bag.
Function of the external occlusal muscle: turns the hip outward.
Innervation of the external occlusal muscle: the occlusal nerve (LII-LIV).
Blood supply to the external occlusal muscle: obstructive artery, lateral artery, enveloping the femur.
[How to examine?