Quadratus femoris muscle

Dr Geon Oh et al.

The quadratus femoris muscle is the most inferior of the deep group of muscles in the gluteal region. It is a flat rectangular muscle below the obturator internus muscle and its associated gemellus superior and inferior muscles.

Summary
  • origin: lateral aspect of the ischium just anterior to the ischial tuberosity
  • insertion: quadrate tubercle on the intertrochanteric crest of the proximal femur
  • action: laterally rotates femur at hip joint
  • arterial supplyinferior gluteal artery
  • innervation: nerve to quadratus femoris
Lower limb anatomy
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Article Information

rID: 44265
Section: Anatomy
Synonyms or Alternate Spellings:
  • Quadratus femoris

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