Quadratus femoris muscle
The quadratus femoris is a flat, quadrilateral skeletal muscle. Located on the posterior side of the hip joint, it is a strong external rotator and adductor of the thigh, but also acts to stabilize the femoral head in the acetabulum. The quadratus femoris is used in Meyer's muscle pedicle grafting to prevent avascular necrosis of femur head.
| Quadratus femoris muscle | |
|---|---|
The quadratus femoris and nearby muscles | |
Muscles of the gluteal and posterior femoral regions with quadratus femoris muscle highlighted | |
| Details | |
| Origin | Ischial tuberosity |
| Insertion | Intertrochanteric crest |
| Artery | Inferior gluteal artery, medial circumflex femoral artery |
| Nerve | Nerve to quadratus femoris (L4-S1) |
| Actions | lateral rotation and adduction of thigh |
| Identifiers | |
| Latin | musculus quadratus femoris |
| TA98 | A04.7.02.015 |
| TA2 | 2608 |
| FMA | 22321 |
| Anatomical terms of muscle | |
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