The functional flexion-extension axis of the knee corresponds to the surgical epicondylar axis - In vivo analysis using a biplanar image-matching technique

被引:180
作者
Asano, T
Akagi, M
Nakamura, T
机构
[1] Kishiwada City Hosp, Dept Orthoped Surg, Osaka 5968501, Japan
[2] Kinki Univ, Dept Orthoped Surg, Fac Med, Osaka, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Orthoped Surg, Kyoto, Japan
关键词
knee kinematics; flexion-extension axis; transepicondylar axis; in vivo; computer simulation;
D O I
10.1016/j.arth.2004.08.005
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
We investigated the concept that the knee has a fixed flexion-extension axis in the posterior femoral condyles and that this functional axis corresponds to the surgical epicondylar axis in vivo. We used a biplarlar image-matching technique to perform the in vivo analysis of 9 normal knees to determine the location of the functional flexion-extension axis of the knee using an optimization technique. The functional flexion-extension axis passed through the sulcus of the medial epicondyle and the prominence of the lateral epicondyle. Flexion and extension of the knee could be represented as a rotation around a fixed axis, and this functional axis corresponded to the surgical epicondylar axis during a 0 degrees to 90 degrees flexion. This study assists more understanding of knee kinematics and provides useful information for the design and positioning of the prostheses used in total knee arthroplasty.
引用
收藏
页码:1060 / 1067
页数:8
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