Nerve supply of obturator internus is by
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}
L1-L3
L4-S1
L5-S2
S1-S3
Lower limb