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首页> 外文期刊>International Journal of Industrial Ergonomics >Kinematics differences between obese and non-obese workers during vertical handling tasks
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Kinematics differences between obese and non-obese workers during vertical handling tasks

机译：垂直处理任务期间肥胖与非肥胖工人的运动学差异

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摘要

Obesity is highly prevalent in the workforce but little is known about its effects on musculoskeletal disorders risk factors, such as the posture adopted during work activity. Vertical Handling Tasks (VHT), including manual lifting and lowering loads, are quite frequent in industrial settings and are considered to be a major cause of Work-Related Musculoskeletal Disorders (WMSD). Therefore, the main objective of this study is to compare and analyse the strategies and postures adopted during VHT between obese and non-obese subjects. A kinematics study with the VICON (R) system was conducted within a convenience sample of 8 non-obese (4 women and 4 men) and 8 obese (4 women and 4 men) volunteers participants. Different occupational conditions were tested over 8 trials of VHT. When developing VHT, the obese group presents kinematics significant differences (p < 0.05), compared with non-obese, namely: a decrease in the duration of the tasks, an increase in the horizontal distance between the load and the body worker, and an increase of the trunk sagittal flexion. This study demonstrates that obese individuals are exposed to a higher level of WMSD risk, during VHT performance. Relevance to industry: The findings are relevant to ergonomic workstations/job design for obese workers. This study defends that obesity can be a WMSD risk factor during VHT frequently found in industry, pointing to the need of companies to include this factor during ergonomic interventions on workstations and to adopt obesity prevention measures.
机译：肥胖在劳动力中普遍存在普遍存在，但对其对肌肉骨骼障碍危险因素的影响很少，例如工作活动期间采用的姿势。垂直处理任务（VHT），包括手动提升和降低负载，在工业环境中非常频繁，并且被认为是与工作相关的肌肉骨骼障碍（WMSD）的主要原因。因此，本研究的主要目的是比较和分析肥胖与非肥胖科目之间采用的策略和姿势。在8个非肥胖（4名女性和4名男子）和8名肥胖（4名女性和4名男子）志愿者参与者的方便样本中进行了一种运动学研究。测试了不同的职业病症超过8种VHT试验。在开发VHT时，肥胖组呈现出高度差异（P <0.05），与非肥胖相比：持续时间减少，负载和车身工人之间的水平距离增加，以及增加增加躯干矢状屈曲。本研究表明，在VHT性能期间，肥胖个体暴露于较高水平的WMSD风险。与行业的相关性：该研究结果与肥胖工人的人体工程学工作站/工作设计有关。本研究捍卫肥胖可以在工业中经常发现的VHT期间是一个WMSD风险因素，指出公司在工作站的符合人体工程学干预措施和采用肥胖预防措施的情况下将这个因素纳入这个因素。

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