Nerve supply of obturator internus is by: (A) L1-L3, (B) L4-S1, (C) L5-S2, (D) S1-S3
Answer is C. OBTURATOR INTERNUS Fan-shaped Belly lies in pelvis and tendon in gluteal region.Action: lateral rotators of thigh at hip joint.supplied by nerve to obturator internus.Root value: L5,S1,S2Branches: obturator internus and superior gamellus.{Reference: BDC 6E page no.173}