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首页> 外文期刊>Applied Ergonomics >The effect of sustained static kneeling on kinetic and kinematic knee joint gait parameters
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The effect of sustained static kneeling on kinetic and kinematic knee joint gait parameters

机译：持续静态跪跪对动力学和运动学膝关节步态参数的影响

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摘要

Despite epidemiological evidence for kneeling as an occupational risk factor for knee osteoarthritis, biomechanical evidence is lacking. Gait knee joint mechanics, a common measure used to study knee osteoarthritis initiation, were used in the present study to investigate the effect of sustained static kneeling on the knee. Ten healthy male subjects (24.1 years 3.5) performed ten baseline walking trials, followed by a 30-min kneeling protocol and a second set of walking trials. Knee joint moments and angles were calculated during the stance phase. Within-subject root mean squared differences were compared within and between the pre- and post-kneeling gait trials. Differences were observed between the pre-kneeling and post-kneeling walking trails for flexion and adduction knee moments (0.12 Nm/ kg 0.03, 0.07 Nm/kg 0.02) and angles (3.18 1.22 and 1.64 1.15), indicating that sustained static deep-knee flexion kneeling does acutely alter knee joint gait parameters. (C) 2014 Elsevier Ltd and The Ergonomics Society. All rights reserved.
机译：尽管流行病学证据表明跪下是膝盖骨关节炎的职业危险因素，但仍缺乏生物力学证据。步态膝关节力学是研究膝关节骨关节炎发作的常用方法，本研究用于研究持续静态屈膝对膝关节的影响。十名健康的男性受试者（24.1岁3.5岁）进行了十项基线步行试验，然后进行了30分钟的跪姿练习和第二组步行试验。在站立阶段计算膝关节的力矩和角度。比较跪前步态试验前后的受试者内部均方根差。跪前和跪后行走步道的屈曲和内收膝盖力矩（0.12 Nm / kg 0.03，0.07 Nm / kg 0.02）和角度（3.18 1.22和1.64 1.15）之间存在差异，表明持续的静态深膝盖屈膝跪地会严重改变膝关节的步态参数。 （C）2014 Elsevier Ltd和人体工程学学会。版权所有。

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