Nerve to obturator internus
The nerve to obturator internus (also known as the obturator internus nerve) is a mixed (sensory and motor) nerve providing motor innervation to the obturator internus muscle and gemellus superior muscle, and sensory innervation to the hip joint. It is a branch of the sacral plexus. It is one of the group of deep gluteal nerves.
| Nerve to obturator internus | |
|---|---|
Plan of sacral plexus and pudendal plexus (nerve to the obturator internus and gemellus superior labeled at lower left) | |
Nerves of the right leg seen from behind (nerve to the obturator internus labeled at upper left) | |
| Details | |
| From | Sacral plexus |
| Innervates | Obturator internus and gemellus superior muscles |
| Identifiers | |
| Latin | nervus musculi obturatorii interni |
| TA98 | A14.2.07.028 |
| TA2 | 6550 |
| FMA | 78711 |
| Anatomical terms of neuroanatomy | |
It exits the pelvis through the greater sciatic foramen to innervate the gemellus superior muscle, then re-enters the pelvis to innervate the obturator internus muscle.
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