Vertebro-pelvic ligaments lliolumbal ligament(ant.post.) Sacrotuberous ligament Sacrospinous ligament* greater lesser sciatic foramina fantvors0pocessc5ywnetn aac cres oramen Superior puic ment ligament schial tuberosity Vertebro-pelvic ligaments Iliolumbal ligament(ant. & post.) Sacrotuberous ligament ★ Sacrospinous ligament ★ greater / lesser sciatic foramina