lliac crest Anterior superior iliac spine Posterior superior iliac spine Median sacral crest Superior gluteal nerve spine s (Suprapiriform foramen Posterior inferior iliac spine (Infrapiriform foramen) Greater sciatic foramen Sciatic nerve- nferior gluteal nerve Piriformis Sacrospinous ligament Greater trochanter Lesser sciatic foramen Posterior cutaneous nerve of thigh Ischial tuberosity [posterior femoral cutaneous nerve Sacrotuberous ligament schaal tuberosity Fig. 1337 Projection of skeleton and sciatic nerve onto the surface of the gluteal region posterior aspect. 髂嵴Ⅲ liac crest,髂后上棘 Posterior superior iliac spine 髂前上棘 Anterior superior iliac spine, 坐骨结节 Ischial tuberosity,大转子 Greater trochanter髂嵴 Iliac crest, 髂后上棘Posterior superior iliac spine 髂前上棘Anterior superior iliac spine , 坐骨结节Ischial tuberosity, 大转子Greater trochanter