Obturator externus muscle explained

Where Is the Obturator externus?

The external obturator muscle is a triangular muscle which covers the outer surface of the anterior wall of the pelvis. It is sometimes considered part of the medial compartment of thigh and sometimes considered part of the gluteal region.


What are the symptoms of a obturator externus tear?

Sciatica and pain when walking deep inside the posterior upper leg.


External rotator muscles strains and tears are rare. Tears of the Obturator externus can cause achy and constant radiating pain in hip.

Obturator internus and obturator externus muscle strain involving the attachments to the obturator ring and ischium.


Stretches for the Obturator internus



What is The Function of the Obturator externus?

Laterally rotates the thigh.


Obturator externus

Origin and Insertion of Obturator externus

Origin: The external surface of the obturator membrane and the superior and inferior pubic rami trochanteric fossa of the femur
Insertion: Middle part of medial aspect of greater trochanter of femur.


The six deep external rotator muscles of your hip are the piriformis, superior gemellus, inferior gemellus, obturator internus, obturator externus, and quadratus femoris.