quadratus femoris muscle

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quadratus femoris

A muscle of the hip/thigh located at the upper lateral border of tuberosity of ischium.
Lateral adduction and rotation of thigh.
L4, L5, S1.
Quadrate tubercle of femur, intertrochanteric crest.

quad·ra·tus fem·o·ris mus·cle

(kwah-drā'tŭs fem'ŏr-is mŭs'ĕl)
Insertion, intertrochanteric ridge; origin, lateral border of tuberosity of ischium; action, rotates thigh laterally; nerve supply, nerve to quadratus femoris (sacral plexus).
Synonym(s): musculus quadratus femoris [TA] .
References in periodicals archive ?
It would appear the inferior to middle-medial to lateral portion of the hip joint are supplied by branches of the sciatic nerve directly, or through the trunk that is given off to the quadratus femoris muscle.
The periosteum distal to the quadratus femoris muscle is also incised and mobilized posteriorly and distally.

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