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Quadratus femoris

Other Terms: Musculus quadratus femoris, Muscle carré fémoral

Muscle parts

None

Latin name

Musculus quadratus femoris

Latin muscle parts

None

Group

Hip joint muscle – deep hip rotator group

Etymology

The muscle’s name in English is the square muscle of the thigh. The word quadratus comes from the Latin quadrus meaning “square.” The word femur is Latin for “thigh.”

Origin

Superior portion of the lateral surface of the ischial tuberosity.

Insertion

Tubercle above the middle part of the trochanteric crest on the posterior side of the femur.

Action

Lateral rotation of the hip.

Nerve supply

Nerve to quadratus femoris (L5 and S1)

Blood supply

The internal pudendal and inferior gluteal arteries supply the muscle from the internal iliac artery, while the lateral and medial circumflex femoral arteries supply blood from the femoral artery.

Latin

Musculus quadratus femoris

French

Muscle carré fémoral

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