Obturator Internus

Written by Oliver Jones

Last updated October 21, 2022 • 2 Revisions •

The obturator internus is a muscle of the gluteal region in the lower limb. It forms part of the lateral wall of the pelvic cavity.

  • Attachments: Originates from the pubis and ischium at the obturator foramen. It travels through the lesser sciatic foramen and attaches onto the greater trochanter of the femur.
  • Actions: Lateral rotation and abduction of the lower limb.
  • Innervation: Nerve to obturator internus.
  • Blood Supply: Obturator artery

Fig 1
The deep muscles of the gluteal region.

Premium Feature

3D Model

Premium Feature
Access this feature with premium.
Go Premium
Rate This Article