Quadratus Femoris
Original Editor - Leana Louw
Top Contributors - Leana Louw, Lucinda hampton, Kim Jackson and Wendy Snyders
Description[edit | edit source]
Quadratus femoris is a short, flat and rectangular muscle. It is situated inferior to the obturator internus and gemelli.[1]
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]
- Groin pain[2]
- Groin strain[3]
- Muscle tear[4]
- Tendinitis[2]
- Ischiofemoral impingement[4][5]
Assessment[edit | edit source]
- Palpation
- Muscle length testing
- Muscle strength testing
Treatment[edit | edit source]
- Muscle stretching
- Strengthening
- Soft tissue/trigger point release
References[edit | edit source]
- ↑ 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.
- ↑ 2.0 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.
- ↑ Willick SE, Lazarus M, Press JM. Quadratus femoris strain. Clinical Journal of Sport Medicine 2002;12(2):130-1.
- ↑ 4.0 4.1 Kassarjian A. Signal abnormalities in the quadratus femoris muscle: tear or impingement? American Journal of Roentgenology 2008;190(6):W379.
- ↑ 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.