Muscles / Hips
Obturator internus
- Hips
- Hip & gluteal
- Deep layer
Anatomy
- Origin
- Pelvic surface of the obturator membrane and surrounding bone
- Insertion
- Medial surface of the greater trochanter
- Nerve
- Nerve to obturator internus (L5-S2)
Actions
- Laterally rotates the extended hip
- Abducts the flexed hip
- Steadies the femoral head
Exercises that train it most
Also trained by
Notes
- Also forms part of the lateral wall of the pelvis and ischio-anal fossa.
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e