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Square femoris muscle
Last reviewed: 23.04.2024
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The square muscle of the femur (m. Quadratus femoris) is flat, quadrangular in shape, located between the lower twin muscle at the top and the upper edge of the large muscle that leads down. Begins on the upper part of the outer edge of the ischial tuber, is attached to the upper part of the interstitial crest. Between the anterior surface of the muscle and the large trochanter often there is a synovial bag.
The function of the square muscle of the thigh: turns the hip outward.
Innervation of the square muscle of the thigh: sciatic nerve (LIV-SI).
Blood supply to the square muscle of the thigh: lower gluteal and obturator arteries, medial artery, enveloping the femur.
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