Posterior superior iliac spine

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Posterior superior iliac spine
Right hip bone. External surface. (Posterior superior spine labeled at center left.)
Surface anatomy of the back. (Posterior superior iliac spine not labeled, but region is visible to left of gluteus medius.)
Latin spina iliaca posterior superior
Gray's p.234
TA A02.5.01.113
FMA 49468
Anatomical terms of bone

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 posterior superior iliac spine serves for the attachment of the oblique portion of the posterior sacroiliac ligaments and the multifidus.

See also[edit]


This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links[edit]

  • Anatomy figure: 01:01-14 at Human Anatomy Online, SUNY Downstate Medical Center – "Posterior view of the skeleton of the trunk."
  • Anatomy photo:43:st-0213 at the SUNY Downstate Medical Center – "The Female Pelvis - bones"
  • Atlas image: back_bone4 at the University of Michigan Health System – "The Sacral and Coccygeal Vertebrae, Posterior View"
  • pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University)
  • aplab - BioWeb at University of Wisconsin System