What is pelvic bone?
The hip bone or pelvic bone is a large flat bone connected with sacrum and coccyx of the lower spine. Two hip bones join each other at front midline and join together with sacrum and coccyx at the low back forming pelvis surrounding the pelvic cavity which accommodates bladder, reproductive system and bowels. The hip bone is formed by three parts: illium, ischium and pubis. The ilium is the highest and largest part of the hipbone consists of the body and wing. The ischium is the lowest part of the hip bone and made up of three parts–the body, the superior ramus and the inferior ramus. The pubis is at the anterior of the hip bone. It is divided into the body, superior ramus and inferior ramus. The hip bone has a few groups of muscles attached as follows The abdominal muscles include the abdominal external oblique muscle (attaches to the iliac crest) , the abdominal internal oblique muscle (ataches to the pectin pubis) and the transverses abdominis muscle (ataches to the pubic crest and ...