Obturator Internus - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x 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 By TeachMeSeries Ltd (2025) Fig 1The deep muscles of the gluteal region. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Rate This Article