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Iliotibial Band

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Illustration of the iliotibial tract and associated structures[1]
  • Other names
    • Iliotibial tract
    • IT Band
  • Proximal
  • Distal
  • Fibrous attachments from IT band to femur
    • Connected to the linea aspera by an intermuscular septum
    • Connected to supracondylar region of the femur by course fibrous bands



  • Proximal Tibia at Gerdy's Tubercle


  • Proximal
    • Contributes to extension, abduction and external rotation of the hip
    • Used during walking, running, cycling, etc
  • Distal
    • Provides stability to the knee
    • Assists with knee extension, flexion
    • Lateral knee stability

Vascular Supply

  • Superior gluteal artery (SGA)
  • Ascending branch of lateral circumflex femoral artery (LFCA)


  • Superior gluteal nerve (L4-S1)
  • Inferior gluteal nerve (L5-S2)

Clinical Significance

See Also


  1. Image courtesy of https://www.physio-pedia.com/, "Iliotibial Tract"
  2. Fairclough, John, et al. "The functional anatomy of the iliotibial band during flexion and extension of the knee: implications for understanding iliotibial band syndrome." Journal of anatomy 208.3 (2006): 309-316.
Created by:
John Kiel on 16 March 2023 16:27:36
Last edited:
16 March 2023 16:57:50