Last Updated: Jun 9, 2015. The iliac crest is the curved superior border of the ilium, the largest of the three bones that merge to form the os coxa, or hip bone.
The Iliac Crest Bone Marrow and Bone Grafts. When a bone marrow biopsy or harvest for donation is needed, the iliac crest is where doctors prefer to go for red bone marrow. It is easy to find and has a large supply of marrow. It is also a site that is used to harvest bone for grafting.
Direct impact on the iliac crest can cause tissue and bone bruising, swelling and inflammation, and even bone fracture. Hip pointer injuries cause immediate, intense pain and tenderness over the upper hip. There can also be muscular spasms and a decline in the strength and range of motion of the affected hip and leg.