Iliac crest

Definition

The iliac crest is the upper, curved edge of the ilium, which is one of three bones that make up the hip bone. It serves as an attachment point for several muscles and ligaments in the lower body.

Related terms

Pelvic Girdle: A ring-like bony structure, located at the base of the spine, that supports the weight of the upper body.

Ilium:

The largest bone in the pelvis, forming its upper part including the iliac crest.

Sacroiliac Joint:

A joint in the lower back formed between the sacrum and ilium where they meet on either side of the spine