Obturator canal – obturator nerve and vesselsObturator internus muscleGreater sciatic foramen,above and belowpiriformis muscleLesser sciatic foramenSuperior gluteal nerveand vesselsSciatic nerve, inferior gluteal, posterior femoral cutaneous,and quadratus femoris nerves,and the inferior gluteal and internal pudendal vesselsPudendal nerve and internalpudendal vessels and nerveto obturator internus
Fig. 5.32 Pelvic outlet.