Effect of Tibial Posterior Slope on Knee Kinematics, Quadriceps Force, and Patellofemoral Contact Force After Posterior-Stabilized Total Knee Arthroplasty

被引：61

作者：

Okamoto, Shigetoshi ^{[1
]}

Mizu-uchi, Hideki ^{[1
]}

Okazaki, Ken ^{[1
]}

Hamai, Satoshi ^{[1
]}

Nakahara, Hiroyuki ^{[1
]}

Iwamoto, Yukihide ^{[1
]}

机构：

[1] Kyushu Univ, Dept Orthopaed Surg, Grad Sch Med Sci, Fukuoka 8128582, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2015年 / 30卷 / 08期

基金：

日本学术振兴会;

关键词：

total knee arthroplasty; tibial posterior slope; computer simulation; knee instability; patellofemoral contact force; quadriceps force; MOMENT ARM; IMPINGEMENT; REPLACEMENT; ALIGNMENT; IMPLANT; FLEXION; MODEL; POST; BIOMECHANICS; MALALIGNMENT;

D O I：

10.1016/j.arth.2015.02.042

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 used a musculoskeletal model validated with in vivo data to evaluate the effect of tibial posterior slope on knee kinematics, quadriceps force, and patellofemoral contact force after posterior-stabilized total knee arthroplasty. The maximum quadriceps force and patellofemoral contact force decreased with increasing posterior slope. Anterior sliding of the tibial component and anterior impingement of the anterior aspect of the tibial post were observed with tibial posterior slopes of at least 5 degrees and 10 degrees, respectively. Increased tibial posterior slope contributes to improved exercise efficiency during knee extension, however excessive tibial posterior slope should be avoided to prevent knee instability. Based on our computer simulation we recommend tibial posterior slopes of less than 5 degrees in posterior-stabilized total knee arthroplasty. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：1439 / 1443

页数：5

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