Tensor fasciae latae

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Tensor fasciae latae
Image:Anterior Hip Muscles 2.PNG
The tensor fasciae latae and nearby muscles
Image:Tensor fasciae latae.png
The left femoral triangle.
Latin	musculus tensor fasciae latae
Gray's	subject #128 476
Origin:	iliac crest
Insertion:	iliotibial tract
Artery:	primarily lateral circumflex femoral artery, Superior gluteal artery
Nerve:	Superior gluteal nerve (L4-L5)
Action:	Thigh - flexion, medial rotation. Trunk stabilization.
Dorlands/Elsevier	m_22/12551088

The tensor fasciae latae is a muscle of the thigh.

Origin and insertion

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.

Function

The Tensor fasciæ latæ is a tensor of the fascia lata; continuing its action, the oblique direction of its fibers enables it to abduct the thigh and to rotate it inward.

In the erect posture, acting from below, it will serve to steady the pelvis upon the head of the femur; and by means of the iliotibial band it steadies the condyles of the femur on the articular surfaces of the tibia, and assists the Glutæus maximus in supporting the knee in the extended position.

Additional images

Right hip bone. External surface.	Structures surrounding right hip-joint.	Muscles of the iliac and anterior femoral regions.	The femoral artery.
The lumbar plexus and its branches.	Front and medial aspect of right thigh.	Back of left lower extremity.

External links

• LUC tfl
• 705036366 at GPnotebook
• Cross section at UV pelvis/pelvis-e12-15
• tensor+fasciae+latae+muscle at eMedicine Dictionary
• Muscles/TensorFasciaeLatae at exrx.net
• Coachr

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e List of muscles of lower limbs
ILIAC Region / ILIOPSOAS	psoas major/psoas minor - iliacus
BUTTOCKS	gluteals: (maximus, medius, minimus) - tensor fasciae latae lateral rotator group: piriformis - inferior gemellus - obturator internus - superior gemellus - quadratus femoris
THIGH	anterior compartment: sartorius - quadriceps (rectus femoris, vastus lateralis, vastus intermedius, vastus medialis) - articularis genu posterior compartment/hamstring: biceps femoris - semitendinosus - semimembranosus medial compartment: pectineus - obturator externus - gracilis - adductor (longus, brevis, magnus)
LEG	anterior compartment: tibialis anterior - extensor hallucis longus - extensor digitorum longus - peroneus tertius posterior compartment: superficial - calf/triceps surae (gastrocnemius, soleus) - plantaris posterior compartment: deep - tarsal tunnel (flexor hallucis longus, flexor digitorum longus, tibialis posterior) - popliteus lateral compartment: peroneus muscles (longus, brevis)
FOOT	dorsal - extensor hallucis brevis - extensor digitorum brevis plantar - 1st layer (abductor hallucis, flexor digitorum brevis, abductor digiti minimi) plantar - 2nd layer (quadratus plantae, lumbrical muscle) plantar - 3rd layer (flexor hallucis brevis, adductor hallucis, flexor digiti minimi brevis) plantar - 4th layer (dorsal interossei, plantar interossei)

de:Musculus tensor fasciae lataeit:Tensore della fascia lata

nl:Musculus tensor fasciae lataefi:Leveän peitinkalvon jännittäjälihas