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Title: Anterolateral ligament of the knee: a step-by-step dissection
Authors: LIMA, Diego Ariel deHELITO, Camilo PartezaniDAGGETT, MatthewMONTEIRO NETO, Francisco MagalhaesLIMA, Lana Lacerda deLEITE, Jose Alberto DiasCAVALCANTE, Maria Luzete Costa
Citation: BMC MUSCULOSKELETAL DISORDERS, v.20, article ID 142, 5p, 2019
Abstract: BackgroundThe number of studies and clinical interest in the anterolateral ligament of the knee (ALL) has grown in recent years. A meticulous and accurate ALL dissection is vital in anatomic and biomechanical studies, and a standardized technique is not yet established. As such, the aim of this study was to describe a step-by-step ALL dissection technique that could help authors consistently identify the ALL.MethodsTwenty knees from frozen adult cadavers, with no preference for sex or age, were included in the study. All the cadavers were dissected using the same technique to determine the incidence of the ALL.ResultsA transverse incision is performed in the iliotibial band (ITB), around 10cm proximal to the topography of the lateral epicondyle of the femur. Next, the ITB undergoes anterograde blunt dissection until its insertion at Gerdy's tubercle in the tibia. Maintaining biceps femoris insertion, a dissection is performed anteriorly to it, until the lateral collateral ligament (LCL) is found. Using the LCL, internal rotation and 30 to 60 degrees flexion as references, the ALL can be located in the anterolateral topography of the knee, with its origin near the lateral epicondyle (proximal and posterior) and insertion between Gerdy's tubercle and the fibula (4.0mm to 7.0mm below the tibial plateau), expanding to the lateral meniscus (between the body and anterior horn), exhibiting a mean length of 4.00.4cm and mean width of 5.5 +/- 0.8mm.Conclusions p id=Par4 The present article describes an effective and reproducible ALL dissection technique that made it was possible to identify the ligament in 100% of the cases in the present study.
Appears in Collections:Artigos e Materiais de Revistas Científicas - HC/IOT
Artigos e Materiais de Revistas Científicas - LIM/41

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