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Tensor fasciae latae muscle


Anatomy and supply

The tensor fasciae latae muscle belongs to the group of gluteal muscles. Even though the tensor fasciae latae isn't considered a thick muscle, it can easily be palpated since it lies above all hip muscles, particularly in athletes who engage and strengthen their hip muscles, such as hurdlers and weightlifters. The muscle originates from the iliac crest and the anterior superior iliac spine on the iliac bone. Distally its fibers attach to the fascia lata - a deep fascia surrounding the entire thigh musculature. The tensor fasciae latae, the fibers of the gluteus maximus and the aponeurosis of the gluteus medius form a horizontal reinforcement known as the iliotibial tract. This band of connective tissue runs laterally over the knee joint and inserts at the lateral condyle of tibia and lateral patellar retinaculum. The innervation is supplied by the superior gluteal nerve (L4-S1).

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The main task of the tensor fasciae latae is to sustain tension of the iliotibial tract. As the femoral shaft meets the pelvis, an angled pressure from above imposes high bending strain to the femur. Both the hip abductors and the tensor fasciae latae counteract the pressure on the opposite side and help stabilize the bone (tension banding effect). Furthermore, the activation of the muscle leads to an abduction, flexion and inward rotation of the hip joint.


A bursa is located between the iliotibial tract and the lateral condyle of tibia protecting the band from the underlying femur. However, overstraining and increased activity of the tendon can result in an inflammation of the bursa (iliotibial band syndrome). Endurance athletes, such as joggers and bicyclists, with leg deformities (e.g. genu varum, flat foot) are particularly prone to this condition. Clinically, patients present a short, overly tense iliotibial tract, swelling above the lateral condyle of tibia and pain which increases during movements of the lower leg.

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Show references


  • D. Drenckhahn/J. Waschke: Taschenbuch Anatomie, 1st edition, Urban & Fischer Verlag/Elsevier (2008), p. 78-79
  • M. Schünke/E. Schulte/U. Schumacher: Prometheus – LernAtlas der Anatomie – Allgemeine Anatomie und Bewegungssystem, 2nd edition, Thieme Verlag (2007), p. 472
  • C. J. Wirth/L. Zichner/D. Kohn: Orthopädie und Orthopädische Chirurgie, Thieme Verlag (2005), p. 494-495
  • J. Weineck: Sportanatomie, Spitta Verlag (2003), 16th edition, p. 155


  • Achudhan Karunaharamoorthy


  • Tensor fasciae latae muscle - Liene Znotina 
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