1 — Pubic symphysis; 2 — Superior pubic ligament; 3 — Obturator canal; 4 — Lacunar ligament; 5 — Sacrum [sacral vertebrae SI-SV]; 6 — Anterior superior iliac spine; 7 — Promontory; 8 — Anterior longitudinal ligament; 9 — Iliolumbar ligament; 10 — Anterior sacro-iliac ligament; 11 — Inguinal ligament; 12 — Iliopectineal arch; 13 — Sacrospinous ligament; 14 — Acetabular fossa; 15 — Transverse acetabular ligament; 16 — Obturator membrane; 17 — Inferior pubic ligament; 18 — Ischial tuberosity; 19 — Deep posterior sacrococcygeal ligament; 20 — Ischial spine; 21 — Superficial posterior sacrococcygeal ligament; 22 — Posterior superior iliac spine; 23 — Superior articular process; 24 — Supraspinous ligament; 25 — Posterior sacro-iliac ligament; 26 — Greater sciatic foramen; 27 — Lesser sciatic foramen; 28 — Sacrotube-
rous ligament
