Obturator Nerve Anatomy
Iliohypogastric nerve, Ilioinguinal nerve, Genitofemoral nerve, Lateral
femoral cutaneous nerve, Femoral nerve, Obturator nerve (L2, 3, 4), Posterior
branch, Articular branch, Anterior branch, Posterior branch, Cutaneous branch, Articular
branch,
Adductor hiatus, Note: Only muscles innervated by obturator
nerve shown, Cutaneous innervation, Anterior rami forming lumbar plexus,
Lumbosacral trunk L1, Obturator externus muscle, Adductor brevis muscle, Adductor
longus muscle (cut), Adductor magnus muscle (ischiocondylar, or “hamstrings,”
part supplied by sciatic [tibial] nerve), Gracilis muscle.
