Nerve to Obturator Internus

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Roots

L5, S1¹

Pathway

Motor innervation

The Nerve to Obturator Internus supplies the Obturator internus, Superior Gemelli, and Inferior gemelli musces¹.

Nerve to Obturator Internus Muscle Innervations
Muscle	Origin	Insertion	Innervation	Action
Obturator Internus	Obturator membrane and its bony boundaries¹ [Obturator membrane and its bony boundaries](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#origin) [@gilroyAtlasAnatomy2020]	Medial surface of Greater Trochanter¹ [Medial surface of Greater Trochanter](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#insertion) [@gilroyAtlasAnatomy2020]	Nerve to Obturator internus¹ L5 - S1¹ [Nerve to Obturator internus](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020] [L5](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#nerve) - [S1](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020]	Hip [ER](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#action) [@gilroyAtlasAnatomy2020] [Extension](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#action) [@gilroyAtlasAnatomy2020] [Abduction](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#action) [@gilroyAtlasAnatomy2020] [Stabilization](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus_muscle.qmd#action) [@gilroyAtlasAnatomy2020]
Superior gemellus	Ischial spine¹ [Ischial spine](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#origin) [@gilroyAtlasAnatomy2020]	Medial surface of greater trochanter via obturator internus tendon¹ [Medial surface of greater trochanter via obturator internus tendon](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#insertion) [@gilroyAtlasAnatomy2020]	Nerve to Obturator internus¹ L5 - S1¹ [Nerve to Obturator internus](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020] [L5](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#nerve) - [S1](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#nerve) [@gilroyAtlasAnatomy2020]	Hip [ER](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#action) [@gilroyAtlasAnatomy2020] [Extension](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#action) [@gilroyAtlasAnatomy2020] [Abduction](/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus_muscle.qmd#action) [@gilroyAtlasAnatomy2020]

Muscle	Origin	Insertion	Nerve	Action
Obturator Internus	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus.html#origin	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus.html#insertion	?var:ref-obturator-internus.nerve	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/obturator_internus.html#action
Superior Gemellus	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus.html#origin	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus.html#insertion	?var:ref-superior-gemellus.nerve	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/superior_gemellus.html#action
Inferior Gemellus	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus.html#origin	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus.html#insertion	?var:ref-inferior-gemellus.nerve	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Gluteal Muscles/inferior_gemellus.html#action

Cutaneous Innervation

Dysfunction

Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.

Citation

For attribution, please cite this work as:

Yomogida N, Kerstein C. Nerve to Obturator Internus. https://yomokerst.com/The Archive/Anatomy/Nerves/Lumbosacral Plexus/Sacral Plexus/nerve_to_obturator_internus.html