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目的通过对膝关节前交叉韧带后外束股骨止点的解剖测量,找到确定前交叉韧带后外束股骨止点的简单可行的方法,为双束重建前交叉韧带手术中的骨道定位提供理论依据。方法解剖20例新鲜膝关节标本(25～45岁)。在屈膝90°位,测量前交叉韧带后外束股骨止点中心点距股骨髁间窝外侧壁前方、后方和下方软骨缘的距离,再对测量数据进行评估和对比。结果前交叉韧带后外束股骨止点中心点距离股骨前方软骨缘(8.74±1.39)mm,距离后方软骨缘(8.69±1.57)mm(P=0.926)。后外束止点中心点距离股骨下方软骨缘(5.06±0.77)mm。结论膝关节屈膝90°位时,前交叉韧带后外束的股骨止点中心点位于股骨髁间窝外侧壁,距离下方软骨缘5mm,距离前方和后方软骨缘的距离相等。在前交叉韧带双束重建的手术中,应用本研究的结果能够简单、快捷地确定前交叉韧带后外束股骨骨道位置。
OBJECTIVE: To find out the simple and feasible method for determining the anterolateral femoral condyle of anterior cruciate ligament by anatomical measurement of the posterior cruciate ligament posterior cruciate ligament in accordance with. Methods Twenty fresh knee specimens (25-45 years old) were dissected. At the knees 90 °, the distance between the anterior cruciate ligament and the cartilaginous margin of the lateral femoral condyle was measured, and then the measured data were evaluated and compared. Results The anterolateral anterior cruciate ligament posterior point of the femoral condyle was 8.74 ± 1.39 mm from the anterior femoral cartilage and 8.69 ± 1.57 mm from the posterior cartilaginous margin (P = 0.926). The epicenter point of the epicardium was 5.06 ± 0.77 mm from the cartilaginous margin below the femur. Conclusions When the knees flexed 90 °, the center of the femoral condyle outside the posterior cruciate ligament was located on the lateral wall of the femoral intercondylar fossa. The distance from the inferior cartilage was 5mm and the distance from anterior and posterior cartilaginous margin was equal. In the anterior cruciate ligament reconstruction surgery, the results of this study can be simple and quick to determine the anterior cruciate ligament posterior external beam of the femoral tract location.