Tibiofemoral kinematic analysis of kneeling after total knee arthroplasty

被引:54
作者
Incavo, SJ
Mullins, ER
Coughlin, KM
Banks, S
Banks, A
Beynnon, BD
机构
[1] Univ Vermont, McClure Musculoskeletal Res Ctr, Dept Orthopaed & Rehabil, Burlington, VT 05405 USA
[2] Biomot Fdn, W Palm Beach, FL USA
关键词
total knee arthroplasty; knee; kneeling; radiograph; subluxation;
D O I
10.1016/j.arth.2004.03.020
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
Some surgeons warn against kneeling after total knee arthroplasty (TKA), because limited clinical data exist. We describe the tibiofemoral contact position of TKA components during kneeling in vivo. Ten posterior-substituting (PS) and 10 cruciate-retaining (CR) designs were examined using a radiographic image-matching technique. Movement from standing to kneeling at 90degrees produced different responses. CR knees translated anteriorly (medial, 4 +/- 4 mm; lateral, 2 +/- 6 mm). PS knees underwent little posterior translation (medial, 0.2 +/- 3 mm; lateral, 1 +/- 4 mm). Movement from 90degrees to maximum flexion produced femoral posterior translation (CR medial, 5 +/- 4 mm; CR lateral, 5 +/- 4 mm; PS medial, 6 +/- 4 mm; PS lateral, 6 +/- 3 mm). The relationship between tibiofemoral contact position and flexion angle was more variable for CR (r(2)=.38) than for PS (r(2)=.64). Knee kinematics was similar to other deep-flexion weight-bearing activities. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:906 / 910
页数:5
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