system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Nerve supply of obturator internus is by
assistant
The correct answer is  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}