Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
Definition
The anterior superior iliac spine is a bony prominence found on the iliac bone, which is part of the pelvis. It serves as an important landmark for anatomical orientation and attachment point for ligaments and muscles.
The uppermost edge of the ilium, serving as an attachment site for abdominal and thigh muscles.
Inguinal Ligament: A band running from the pubis to the anterior superior iliac spine, forming the lower border of the abdomen.
Sartorius Muscle: A muscle that originates at the anterior superior iliac spine and runs down to the knee, involved in flexing, abducting, and rotating the hip