quadratus femoris

quadratus femoris

A muscle of the hip/thigh located at the upper lateral border of tuberosity of ischium.
 
Action
Lateral adduction and rotation of thigh.
 
Nerve
L4, L5, S1.
 
Insertion
Quadrate tubercle of femur, intertrochanteric crest.
References in periodicals archive ?
24,25 Other grafting techniques, such as bone graft pedicled with quadratus femoris in a titanium mesh, have also been developed, but long-term effectiveness need validation.
5] also reported a case of a quadratus femoris tear in a patient presenting with persistent sciatica.
The controversial factors in cancellous screw fixation are: method of reduction-open or closed; number of screws used --two, three or four; the configuration of screws -parallel or non-parallel, vertical or triangular fashion; the positioning of screws in the head-centre of head or in the periphery and the addition of bone grafting-free fibula or quadratus femoris muscle pedicle grafting.
Ischiofemoral impingement (IFI) is characterized by a narrowed space between the ischial tuberosity and the lesser trochanter resulting in repetitive impingement of the quadratus femoris muscle (Figure 4).
The quadratus femoris and short external rotators were reapproximated to the greater trochanter along with some capsule to provide hip stability.
The mechanism of injury of the quadratus femoris in a tennis player was speculated to be due to a strong eccentric contraction in a closed kinetic chain to try to control hip internal rotation during the end phase of serving (2).
Quadratus femoris (QF), piriformis, obturator internus, obturator externus, and superior and inferior gemelli are the deep external rotator muscles of the hip joint (Fig).
28) By combining neurectomy of the obturator and quadratus femoris component, 22 of 24 cases initially had satisfactory results, (29) however, the long term outcomes between 3 and 18 month follow-ups showed excellent results in only 2 patients, and no improvement in 22.
From an anatomical point of view, HVLIA should be particularly useful for THA because the articular and cutaneous sensory supply of the hip region is complex and may extend from T12 (subcostal nerve) to S1 (proximal sciatic branches including the nerve to quadratus femoris and superior gluteal nerve).
crossing posteriorly to the obturator internus, gemelli and the quadratus femoris muscles (Williams et al.
The periosteum distal to the quadratus femoris muscle is also incised and mobilized posteriorly and distally.

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