Location of the anterior superior iliac spine

Positioning method: Supine position, draw a horizontal line through the umbilicus to intersect with the midline, draw a corner bisector from the umbilicus to the lower side, and move 4 horizontal fingers to the lower side on this bisector twice in a row, and finally the thumb The hard part of the abdominal contact is the anterior superior iliac spine.

Meaning: Refers to the front end of the iliac crest.

Clinical significance: The line connecting the ischial tubercle to the anterior superior iliac spine is called Nelaton's line. Clinically, whether the relationship between the tip of the greater trochanter and this line is normal is used to determine whether the hip is dislocated or the femoral neck is fractured. The anterior superior iliac spine can be used as a landmark to measure the length of the lower extremity. Identify the puncture site for intramuscular injection in the buttocks and the needle entry site for bone marrow aspiration in the iliac tubercle.

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