Quadratus Femoris

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Original Author(s): Oliver Jones
Last updated: October 21, 2022
Revisions: 2

Original Author(s): Oliver Jones
Last updated: October 21, 2022
Revisions: 2

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The quadratus femoris is a muscle of the gluteal region in the lower limb. It is the most inferior of the deep gluteal muscles, located below the gemelli and obturator internus.

  • Attachments: Originates from the lateral aspect of the ischial tuberosity and attaches to the quadrate tuberosity on the intertrochanteric crest.
  • Actions: Lateral rotation of the lower limb.
  • Innervation: Nerve to quadratus femoris.
  • Blood Supply: Inferior gluteal artery and medial circumflex femoral artery

Fig 1 – The deep muscles of the gluteal region.