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Iliocostal friction syndrome, also known as costoiliac impingement syndrome, is a condition in which the costal margin comes in contact with the iliac crest.The condition presents as low back pain which may radiate to other surrounding areas as a result of irritated nerve, tendon, and muscle structures.
A fracture of the left iliac wing. The iliac crest has a large amount of red bone marrow, and thus it is the site of bone marrow harvests (from both sides) to collect the stem cells used in bone marrow transplantation. The iliac crest is also considered the best donor site for bone grafting when a large quantity of bone is needed. For example ...
Ranges of segmental movements in the lumbar spine (White and Punjabi ... L4 is at highest point of iliac crest. S2 is at the level of posterior superior iliac spine ...
The anterior superior iliac spine refers to the anterior extremity of the iliac crest of the pelvis.This is a key surface landmark, and easily palpated.It provides attachment for the inguinal ligament, the sartorius muscle, [1] [4] and the tensor fasciae latae muscle.
The margins of the inferior lumbar (Petit's) triangle are composed of the iliac crest inferiorly and the margins of two muscles – latissimus dorsi (posteriorly) and external abdominal oblique (anteriorly). The floor of the inferior lumbar triangle is the internal abdominal oblique muscle.
They travel inferiorly through multiple layers of muscles, then traverse osteofibrous tunnels between the thoracolumbar fascia and iliac crest. [1] Dysfunction of the superior cluneal nerves is often due to entrapment as the nerves cross the iliac crest – this can result in numbness, tingling or pain in the low back and upper buttocks region.
The posterior border of the ala of sacrum, shorter than the anterior, also presents two projections separated by a notch, the posterior superior iliac spine and the posterior inferior iliac spine. The posterior superior iliac spine serves for the attachment of the oblique portion of the posterior sacroiliac ligaments and the multifidus.
The middle layer is attached superiorly to the inferior margin of the 12th rib, and the lumbocostal ligament, medially to the tips of transverse processes of lumbar vertebrae, and inferiorly to [2]: 814–815 the posterior part of the intermediate area of [4] the iliac crest.