3357
Table of Contents > Health Dictionary > Obturator internus (muscle)

Obturator internus (muscle)

Intrapelvic muscle extending into gluteal region; origin, pelvic surface of obturator membrane and margin of obturator foramen; insertion, passes out of pelvis through lesser sciatic foramen, in so doing, making a 90° turn to insert into the medial surface of greater trochanter; action, rotates thigh laterally; nerve supply, nerve to obturator internus (sacral plexus).
    Top Health
    Conditions
    To learn more, select a condition from the following menu.
    Healthy Edge
    Delicious Living