Abstract
For posterior cruciate ligament (PCL) reconstruction, two root, anterolateral and posteromedial bundles restruction are performed. However, little has been mentioned of anatomical measurements of the insertions to the bone of these bundles in previous publications. The aim of this study is to determine the precise anatomical measurements of the femoral and tibial insertions for anterolateral and posteromedial bundles of PCL. A total of 32 femur and 33 tibiae were selected from 50 cadavers after exclusion of knees that displayed macroscopically degenerative changes or evidence of trauma. PCL were divided into anterolateral bundles and posteromedial bundles to the insertion footprint, and those locations were measured and described. The distance from the center of the femoral insertions of the anterolateral and posteromedial bundles, and the Wrisberg ligament to the anterior margin of the medial femoral condyle averaged 9.6, 10.6, and 17.1 mm, respectively. The distance from the center of the femoral insertions of the anterolateral, posteromedial bundles, and Wrisberg ligament to the intercondylar roof averaged 4.8, 11.4, and 10.4 mm, respectively. The distance from the medial margin of the articular cartilage of the tibial plateau to the center of the tibial insertions of the anterolateral and posteromedial bundles averaged 51.0 and 50.0% of the total widest width of the tibial plateau, respectively. The vertical distance from the tibial insertion of the center of the posteromedial bundle to the plane of the tibial articular surface averaged 4.6 mm. This study leads to a better definition of the anatomy of the anterolateral and posteromedial bundles of PCL. It is very important to know the precise anatomy of PCL bundles when performing PCL reconstruction, and to evaluate PCL reconstruction surgery on an anatomical basis.
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Takahashi, M., Matsubara, T., Doi, M. et al. Anatomical study of the femoral and tibial insertions of the anterolateral and posteromedial bundles of human posterior cruciate ligament. Knee Surg Sports Traumatol Arthrosc 14, 1055–1059 (2006). https://doi.org/10.1007/s00167-006-0192-9
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DOI: https://doi.org/10.1007/s00167-006-0192-9