Iliolumbar ligament Posterior sacro-iliac ligaments osterior sacro-iliac ligaments nterosseous sacro-iliac Postenor sacro-iliac ligaments 坐骨大孔 Greater sciatic foramen 骶结节韧带 Sacrotuberous lig Hip joint, joint capsule articular capsule Greater trochanter 骶棘韧带 坐骨小孔 Deep posterior sacrococcygeal Sacrospinous lig. Lesser sciatic foramen pubic Fig. 1176 Joints of pelvic girdle and lumbosacral joint in the female; posterior aspect (30%)坐骨大孔 Greater sciatic foramen 坐骨小孔 Lesser sciatic foramen 骶棘韧带 Sacrospinous lig. 骶结节韧带 Sacrotuberous lig