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首页> 外文期刊>Gait & posture >Foot and ankle joint kinematics in rheumatoid arthritis cannot only be explained by alteration in walking speed.
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Foot and ankle joint kinematics in rheumatoid arthritis cannot only be explained by alteration in walking speed.

机译：类风湿关节炎的足踝关节运动学不能仅通过步行速度的改变来解释。

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摘要

Rheumatoid arthritis (RA) manifests itself in the foot and ankle of RA patients. The foot and ankle joint kinematics of these patients differ from that of healthy subjects. However, the factors that lead to these differences are not yet fully understood. The aim of this study was to analyse the effect of walking speed and the disease process on foot and ankle joint kinematics of RA subjects. Gait recordings of 23 RA and 14 age-matched healthy subjects were performed and their foot and ankle joint kinematics were analysed during the stance phase of the gait cycle. Stance phase characteristics of the group of RA subjects and of the group of healthy subjects were compared. The healthy subjects walked at 100% (Vc), 75% (V75) and 50% (V50) of their comfortable walking speed. In a multi-level linear model significant differences between the two groups due to the factors walking speed and the disease process were analysed. The ankle dorsi-flexion, medial arch and hallux abduction motion at single-stance and toe-off were only influenced by the walking speed. The hallux maximum flexion at toe-off and the midfoot supination at single-stance were influenced by both the walking speed and the disease process. The hindfoot eversion motion at single-stance was only influenced by the disease process. In conclusion, the reduction of walking speed of RA subjects compared to healthy subjects does not explain all of the observed foot and ankle kinematics differences.
机译：类风湿关节炎（RA）表现在RA患者的足部和踝部。这些患者的脚踝关节运动学与健康受试者不同。但是，导致这些差异的因素尚未完全理解。这项研究的目的是分析步行速度和疾病过程对RA受试者足踝关节运动学的影响。进行了23位RA和14位年龄相匹配的健康受试者的步态记录，并在步态周期的站立阶段分析了他们的脚和踝关节运动学。比较了RA受试者组和健康受试者组的姿态阶段特征。健康受试者的步行速度为舒适步行速度的100％（Vc），75％（V75）和50％（V50）。在多级线性模型中，分析了由于行走速度和疾病过程等因素导致的两组之间的显着差异。单步站立和脚趾离地时踝背屈，内侧足弓和拇外展动作仅受步行速度的影响。脚趾处的拇趾最大屈曲和单步站立时足中旋肌受步行速度和疾病过程的影响。单步站立后脚外翻运动仅受疾病过程影响。总之，与健康受试者相比，RA受试者的步行速度降低不能解释观察到的所有脚部和踝部运动学差异。

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