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Tensor fasciae latae muscle

Tensor fasciae latae
Anterior Hip Muscles 2.PNG
The tensor fasciae latae and nearby muscles
Tensor fasciae latae.png
Details
Origin Iliac crest
Insertion Iliotibial tract
Artery Primarily lateral circumflex femoral artery, superior gluteal artery
Nerve Superior gluteal nerve (L4, L5, S1)
Actions Hip - flexion, medial rotation, abduction knee - lateral rotation, Torso - stabilization
Identifiers
Latin Musculus tensor fasciae latae
TA A04.7.02.010
FMA 22423
Anatomical terms of muscle
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The tensor fasciae latae (or tensor fasciæ latæ) (/ˈtɛnsər ˈfæʃi. ˈlt/) is a muscle of the thigh. It is related with the gluteus maximus in function and structure and is continuous with the iliotibial tract, which attaches to the tibia. The muscle assists in keeping the balance of the pelvis while standing, walking, or running.

It arises from the anterior part of the outer lip of the iliac crest; from the outer surface of the anterior superior iliac spine, and part of the outer border of the notch below it, between the gluteus medius and sartorius; and from the deep surface of the fascia lata.

It is inserted between the two layers of the iliotibial band of the fascia lata about the junction of the middle and upper thirds of the thigh. The tensor fasciae latae tautens the iliotibial band and braces the knee, especially when the opposite foot is lifted. The terminal insertion point lies on the lateral condyle of the tibia.


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