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Illustration - Diaphragm

Tensor fasciae latae

Tensor fasciae latae

Pronunciation

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Other Terms:
Tensor of fascia lata, Musculus tensor fasciae latae, Muscle tenseur du fascia lata


Muscle parts
None
Latin name
Musculus tensor fasciae latae
Latin muscle parts
None
Group
Hip joint muscle – gluteal group
Etymology
The English name for this muscle is the muscle that stretches the band on the side. The word tensor comes from the Latin verb tendere meaning “to stretch.” Fascia is the Latin term for “band.” The word latae is the genitive form of the Latin word lata meaning “side.”
Origin
Outer lip of the anterior iliac crest; lateral aspect of the anterior superior iliac spine; underside of the iliotibial tract.
Insertion
Descends between the two layers of the iliotibial tract and attaches to them (typically ends in the upper third of the thigh, but can extend to the level of the femoral condyles).
Action
Medial rotation and flexion of the hip; assists weakly with extension of the knee; lateral rotation of the leg at the knee; stabilizes the hip and the knee during standing.
Nerve supply
Superior gluteal nerve (L4, L5, and S1)
Blood supply
The superior and inferior gluteal arteries carry blood from the internal iliac artery to the muscle, while the superficial circumflex iliac artery delivers blood from the femoral artery.
Latin
Musculus tensor fasciae latae
French
Muscle tenseur du fascia lata

Structural Label Key