nerve to obturator internus

Origin

ventral rami of L5, S1, & S2)

Innervation

• Motor--> superior gemellus & obturator internus

Course

• Enters gluteal region through greater sciatic foramen inferior to piriformis
• Descends posterior to ischial spine
• Enters lesser sciatic foramen & passes to obturator internus .

More general terms

• peripheral nerve

Additional terms

• sacral plexus

Component of

• gluteal region