Ilium – anterior superior iliac spine

Ilium - anterior superior iliac spine

Anatomy

The anterior limit of the Iliac crest of the ala of the ilium, separated by a notch from the anterior inferior iliac spine.

Vignette

Easily felt and located, useful surface anatomy landmark; McBurney’s point (where deep tenderness can indicate acute appendicitis) is 2/3 distance from umbilicus to anterior superior iliac spine.

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