THE FEMALE PELVIS

THE FEMALE PELVIS Functions 1. 2. 3. 4. Allows movement-walking and running Permits one to sit and kneel, supports spinal column Adapted for childbearing. Forms a bony passage through which fetus passes Contains and protects reproductive organs. NB: Normal female pelvis should give no difficulties in childbirth provided fetus is of normal size PELVIS  Bony pelvis os Ilium 髂骨 os coccyx 尾骨 os ischium os sacrum os pubis PELVIC BONE. They are 4  2 Innominate /hip bones,  1 sacrum,  1 coccyx Innominate bone 1. Each is made up of 3 bones: Ilium, 2. ischium, Pubis 3. ILIUM  Large flared out part.  Has a concave anterior surface which forms the iliac fossa.  It’s curved on the upper border to form iliac crest/crista iliaca.  At the front of iliac crest there is a bony prominence known as anterior iliac spine.  Below it is anterior inferior iliac spine.  There are two similar points at the end of iliac crest namely posterior superior & posterior inferior iliac spines