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首页> 外文期刊>Gait & posture >A comparison of the biomechanical effects of valgus knee braces and lateral wedged insoles in patients with knee osteoarthritis
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A comparison of the biomechanical effects of valgus knee braces and lateral wedged insoles in patients with knee osteoarthritis

机译：外翻膝关节矫形器和外侧楔形鞋垫在膝骨关节炎患者中的生物力学效果比较

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Increases in the external knee adduction moment (EKAM) have been associated with increased mechanical load at the knee and progression of knee osteoarthritis. Valgus knee braces and lateral wedged insoles are common approaches to reducing this loading; however no study has directly compared the biomechanical and clinical effects of these two treatments in patients with medial tibiofemoral osteoarthritis. A cross-over randomised design was used where each intervention was worn by 28 patients for a two week period. Pre- and post-intervention gait kinematic/kinetic data and clinical outcomes were collected to evaluate the biomechanical and clinical effects on the knee joint. The valgus knee brace and the lateral wedged insole significantly increased walking speed, reduced the early stance EKAM by 7% and 12%, and the knee adduction angular impulse by 8.6 and 16.1% respectively. The lateral wedged insole significantly reduced the early stance EKAM compared to the valgus knee brace (p=0.001). The valgus knee brace significantly reduced the knee varus angle compared to the baseline and lateral wedged insole. Improvements in pain and function subscales were comparable for the valgus knee brace and lateral wedged insole. There were no significant differences between the two treatments in any of the clinical outcomes; however the lateral wedged insoles demonstrated greater levels of acceptance by patients. This is the first study to biomechanically compare these two treatments, and demonstrates that given the potential role of knee loading in osteoarthritis progression, that both treatments reduce this but lateral wedge insoles appear to have a greater effect. ? 2012 Elsevier B.V.
机译：外部膝关节内收力矩（EKAM）的增加与膝部机械负荷的增加和膝部骨关节炎的进展有关。外翻护膝和楔形鞋垫是减轻这种负担的常用方法。然而，尚无研究直接比较这两种疗法对胫骨股内侧骨关节炎患者的生物力学和临床效果。采用交叉随机设计，其中28位患者在两周内进行了每次干预。收集干预前后的步态运动/运动学数据和临床结果，以评估对膝关节的生物力学和临床影响。外翻护膝和外侧楔形鞋垫显着提高了步行速度，使早期站立EKAM降低了7％和12％，膝盖内收角冲动分别降低了8.6和16.1％。与外翻护膝相比，外侧楔形鞋垫显着降低了早期的EKAM姿态（p = 0.001）。与基线和外侧楔形鞋垫相比，外翻护膝明显减少了膝内翻角。外翻护膝和外侧楔入式鞋垫在疼痛和功能评分方面的改善可比。两种治疗方法在任何临床结局方面均无显着差异。但是，外侧楔形鞋垫显示出更高的患者接受度。这是首次对这两种治疗进行生物力学比较的研究，并表明，鉴于膝关节负重在骨关节炎进展中的潜在作用，两种治疗均能减轻这种情况，但外侧楔形鞋垫似乎具有更大的作用。 ？ 2012年Elsevier B.V.

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