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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.
Print/export Download as PDF; Printable version; ... Posterior superior iliac spine; Posterior inferior iliac spine This page was last edited on 2 June 2023 ...
The posterior inferior iliac spine (Sweeney's Tubercle) is an anatomical landmark that describes a bony "spine", or projection, at the posterior and inferior surface of the iliac bone. It is one of two such spines on the posterior surface, the other being the posterior superior iliac spine. These two spines are separated by a bony notch.
Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Posterior inferior iliac spine; Posterior superior iliac spine; Pubic arch;
The posterior border of the ala, shorter than the anterior, also presents two projections separated by a notch, the posterior superior iliac spine and the posterior inferior iliac spine. The former serves for the attachment of the oblique portion of the posterior sacroiliac ligaments and the multifidus ; the latter corresponds with the ...
The sacrotuberous ligament is attached by its broad base to the posterior superior iliac spine, the posterior sacroiliac ligaments (with which it is partly blended), to the lower transverse sacral tubercles and the lateral margins of the lower sacrum and upper coccyx.
Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Posterior iliac spine may refer to: Posterior superior iliac spine ...
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.