Anterior superior iliac spine
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| Bone: Anterior superior iliac spine | |
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| The obturator membrane. (Anterior superior iliac spine visible in upper left). | |
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| Location of McBurney's point (1), located two thirds the distance from the umbilicus (2) to the anterior superior iliac spine (3). | |
| Latin | spina iliaca anterior superior |
| Gray's | subject #57 234 |
The anterior superior iliac spine (ASIS) is 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.
ASIS provides a clue in identifying some other clinical landmarks, including:
- McBurney's point
- Gardner's line
- Inguinal ligament
A - Anterior (front, like the face)
S - Superior (towards the head, opposite to feet)
I - Iliac (Pelvis bone)
S - Spine
[edit] Additional images
 Right hip bone. External surface. |
 The subcutaneous inguinal ring. |
[edit] See also
[edit] External links
- SUNY Labs 17:os-0105 - "Major Joints of the Lower Extremity: Hip bone (lateral view)"
- SUNY Labs 35:os-0103 - "Anterior Abdominal Wall: Osteology and Surface Anatomy"
- Anterior+superior+iliac+spine at eMedicine Dictionary
- Roche Lexicon - illustrated navigator, at Elsevier 03281.000-3
- Diagram at Wayne State
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