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The iliac crest is the superior margin of the ilium. It forms a curved ridge line of bone that can be palpated when you ‘put your hands on your hips’. This bony crest provides attachments for a number of muscles, ligaments and fascia.
The ASIS is the most anterior portion of the iliac crest and is the attachment point for the sartorius muscle as well as the inguinal ligament which connects to the pubic tubercle. The ASIS also becomes helpful in identifying leg length discrepancies, as pelvic rotation often accommodates these differences while standing and walking.
At the widest point of the iliac crest is the iliac tubercle, an area that protrudes slightly from the crest itself. The iliac crest receives most of its blood supply from the deep circumflex ilial artery.
It is the broad, flattened, sinuous ridge creates the upper boundary of the ilium. The highest point of iliac crest is located at the level of intervertebral disc in the middle of L3 and L4 vertebrae.
The iliac crest stretches posteriorly from the anterior superior iliac spine (ASIS) to the posterior superior iliac spine (PSIS). Behind the ASIS, it divides into an outer and inner lip separated by the intermediate zone.
Superior Border (Iliac crest) The superior border of the ilium is known as the iliac crest. It is a rough, crescentic surface that starts at the PSIS posteriorly and arches forward, ending at the ASIS anteriorly.
The highest point of the iliac crest lies slightly behind its midpoint, between the third and fourth lumbar vertebral spines. It serves as a landmark for lumbar puncture procedures. Morphologically, the iliac crest can be divided into two sections: ventral (anterior 2/3rd) and dorsal (posterior 1/3rd). A.
Iliac crest - the highest point of the pelvis, extending anterior to posterior. Anterior superior iliac spine - a sharp notch anterior to the iliac crest. Posterior superior iliac spine - the most posterior aspect of the iliac crest, identified by dimples at approximately the level of S2.
The highest point of the iliac crest is slightly posterior to its midpoint. The supracristal plane, which is a horizontal plane that connects the highest points of the right and left iliac crests, is at the level of the L4 vertebra, generally at the interval between the spines of L3 and 4.
The highest point of the iliac crest is situated a little behind the midpoint of the crest. It lies at the level of the interval between the spines of vertebrae L3 and L4. Ends. The anterior end of the iliac crest is called the anterior superior iliac spine. This is a prominent landmark that is easily felt in the living.