Obturator internus muscle

Dr Dai Roberts and Dr Geon Oh et al.

The obturator internus muscle, like the piriformis muscle, is both a muscle of the pelvic wall and of the gluteal region. It originates within the pelvis, and continues as a flattened tendon posteriorly through the lesser sciatic foramen (between ischial spine and tuberosity).


Anatomy: Lower limb

Anatomy: Lower limb

Anatomy: Abdominopelvic

Anatomy: Abdominopelvic

Article information

rID: 44263
Section: Anatomy
Synonyms or Alternate Spellings:
  • Obturator internus

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