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Medial patellofemoral ligament (MPFL) reconstruction for recurrent patellar dislocation has recently become more popular. We describe a technique that involves tensioning of the graft with the knee in full extension while simultaneously pulling with a bone hook on the patella in the direction of the quadriceps tendon, thus facilitating placement of the femoral attachment and accurate graft tensioning...
The purpose of this study was to examine the effect of flexion angle on isometry and fiber obliquity of the anterior meniscofemoral ligament (Humphrey's ligament (HL)).Following a medial parapatellar arthrotomy on 7 fresh frozen cadavers, the insertion points of the anterolateral (AL) and posteromedial (PM) bundles of the PCL, and HL were identified. Using a 9mm circular software tool, virtual fibers...
The medial patellofemoral ligament (MPFL) is the most commonly injured structure in patients with objective patellar instability.The objective of this study was to prospectively evaluate the clinical and radiographic results of MPFL reconstruction in 50 patients with chronic patellar instability.Fifty patients with chronic patellar instability, aged 15–39years, were included. The MPFL was reconstructed...
The optimal femoral insertion point in MPFL (medial patellofemoral ligament)-reconstruction still remains ambiguous. Three-dimensional knee simulations based on computerized tomography (CT) images acquired under physiological loading conditions give further insights to predict the optimal femoral insertion site of the MPFL.The hypothesis of the present study is that the optimal insertion point is...
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