Quadratus Femoris

Original Editor - Leana Louw

Top Contributors - Leana Louw, Lucinda hampton and Kim Jackson

Description[edit | edit source]

Quadratus femoris is a short, flat and rectangular muscle. It is situated inferior to the obturator internus and gemelli.[1]

Quadratus femoris.gif

Origin[edit | edit source]

Lateral border of the ischial tuberosity.[1]

Insertion[edit | edit source]

Quadrate tubercle on the intertrochanteric crest of the femur and area inferior to it.[1]

Nerve[edit | edit source]

Nerve to quadratus femoris (L5, S1).[1]

Artery[edit | edit source]

Inferior gluteal artery.[1]

Function[edit | edit source]

  • External rotates the thigh
  • Assists in adduction of the thigh
  • Stabilise the femur head in the acetabulum[1]

Clinical relevance[edit | edit source]

Assessment[edit | edit source]

Treatment[edit | edit source]

  • Soft tissue/trigger point release

References[edit | edit source]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Moore KL, Dalley AF, Agur AMR. Clinial oriented anatomy. Philadelphia: Wolters Kluwer, 2010.
  2. 2.0 2.1 Klinkert Jr P, Porte RJ, De Rooij TP, De Vries AC. Quadratus femoris tendinitis as a cause of groin pain. British journal of sports medicine 1997;31(4):348.
  3. Willick SE, Lazarus M, Press JM. Quadratus femoris strain. Clinical Journal of Sport Medicine 2002;12(2):130-1.
  4. 4.0 4.1 Kassarjian A. Signal abnormalities in the quadratus femoris muscle: tear or impingement? American Journal of Roentgenology 2008;190(6):W379.
  5. Torriani M, Souto SC, Thomas BJ, Ouellette H, Bredella MA. Ischiofemoral impingement syndrome: an entity with hip pain and abnormalities of the quadratus femoris muscle. American Journal of Roentgenology 2009;193(1):186-90.