Inguinal
anterior superior iliac spine to pubic tubercle
lacunar
medial end of inguinal ligament to medial end of pectin pubis
pectineal ligament
pectin pubis
sacroiliac ligament
dorsal: lateral sacral crest to posterior superior iliac spine
Interosseous: between the articular surfaces
sacrospinous
ischial spine to lateral margin of sacrum
sacrotuberous
posterior iliac spine and lateral margin of sacrum to ischial tuberosity