Medical expert of the article
New publications
Square femoris muscle
Last reviewed: 23.04.2024
All iLive content is medically reviewed or fact checked to ensure as much factual accuracy as possible.
We have strict sourcing guidelines and only link to reputable media sites, academic research institutions and, whenever possible, medically peer reviewed studies. Note that the numbers in parentheses ([1], [2], etc.) are clickable links to these studies.
If you feel that any of our content is inaccurate, out-of-date, or otherwise questionable, please select it and press Ctrl + Enter.
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.
[How to examine?