Anterior superior iliac spine
The anterior superior iliac spine (abbreviated: ASIS) is a bony projection of the iliac bone and an important landmark of surface anatomy. It refers to the anterior extremity of the iliac crest of the pelvis, which provides attachment for the inguinal ligament, and the sartorius muscle. The tensor fasciae latae muscle attaches about 5 cm away at the iliac tubercle.
|Anterior superior iliac spine|
The obturator membrane (anterior superior iliac spine visible in upper right of illustration)
Anterior superior iliac spine labeled second to bottom, right.
|Latin||Spina iliaca anterior superior|
|Anatomical terms of bone|
The anterior superior iliac spine provides a clue in identifying some other clinical landmarks, including:
Location of McBurney's point (1), which is located two thirds the distance from the umbilicus (2) to the anterior superior iliac spine (3).
|Wikimedia Commons has media related to Anterior superior iliac spine.|
- Anatomy photo:17:os-0105 at the SUNY Downstate Medical Center – "Major Joints of the Lower Extremity: Hip bone (lateral view)"
- Anatomy photo:35:os-0103 at the SUNY Downstate Medical Center – "Anterior Abdominal Wall: Osteology and Surface Anatomy"
- "Anatomy diagram: 03281.000-3". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2012-07-22.
- Diagram at Wayne State
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