Tensor Fasciae Latae

Region: Hip & Thigh Muscles · All hip & thigh muscles

Tensor Fasciae Latae at a glance

OriginFront of the iliac crest and anterior superior iliac spine
InsertionIliotibial tract, which continues to the lateral tibial condyle
ActionsFlexes the thigh; Moves the thigh away from the midline; Tensions the iliotibial tract to steady the knee
Nerve supplySuperior gluteal nerve (L4–L5)

◆ Good to know

Irritation where the iliotibial band crosses the lateral femoral condyle is the classic 'runner's knee' (IT band syndrome).

Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.