从生物机械的角度来看,重型起重任务的起重路线之间的累积工作负载比较
Akisue Kuramoto1, Tsubasa Miwa2, Akihiko Seo2
1Department of Systems and Control Engineering, Institute of Science Tokyo, Japan.
International journal of occupational safety and ergonomics : JOSE
|December 2, 2024
概括
选择尽量减少累积的体力劳动负担的工作动作是预防肌肉骨疾病的关键. 使用数字人体模型的生物机械分析显示,最短的举重路径并不总是减少整体身体应变的最佳途径.
科学领域:
- 职业生物机械学
- 人体工程学就是人体工程学.
- 预防肌肉骨疾病的预防
背景情况:
- 在职业环境中举重任务是肌肉骨疾病的主要原因.
- 选择具有较低累积体力工作负载的工作动作是减轻这些风险的策略.
- 在不同的工作动作中比较累积的工作负载需要一个强大的分析方法.
研究的目的:
- 为了确定不同工作动作之间的累积物理工作负荷是否可以从生物力学角度进行定量比较.
- 评估数字人体模型在分析职业生物力学方面的有效性.
- 评估工作运动特征与整体物理工作负载之间的关系.
主要方法:
- 使用数字人体模型对各种工作动作进行生物机械分析.
- 使用拟议的指数计算累积工作负载:联合扭矩和运动的时间集成乘积.
- 在不同的提升策略中对累积工作量进行比较.
主要成果:
- 使用最短的物理路线进行起重操作并不总是与整个身体的最低累积工作负载有关.
- 在不同的工作动作之间观察到累积工作负载的显著差异,即使是具有相似持续时间的任务.
- 生物力学分析提供了一种可量化的方法来评估不同工作动作的物理需求.
结论:
- 通过生物力学分析确定的累积工作负载,提供了比简单的任务持续时间或路径长度更全面的物理应变指标.
- 选择最佳的工作动作应基于生物力学累积工作负载指数,以有效预防肌肉骨疾病.
- 数字人体模型是客观评估和优化职业环境中工作动作的宝贵工具.
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