在手工密集型工作中,评级和技术测量之间的相关性
Gunilla Dahlgren1, Per Liv1, Fredrik Öhberg2
1Section of Sustainable Health, Department of Public Health and Clinical Medicine, Umeå University, S-901 87 Umeå, Sweden.
Bioengineering (Basel, Switzerland)
|July 29, 2023
概括
观察者对手部活动和力度的评分与客观测量比工人自我评价更好地相关,这表明观察者在评估与工作相关的肌肉骨疾病风险方面更可靠.
科学领域:
- 职业健康 职业健康 职业健康 职业健康
- 人体工程学就是人体工程学.
- 生物力学 生物力学
背景情况:
- 精确评估手部活动和力量对于预防与工作相关的肌肉骨疾病至关重要.
- 与客观技术措施相比,主观工人和观察者评级的可靠性仍然不清楚.
研究的目的:
- 调查主观评分 (工人自我评分和人体工程学观察者评分) 与客观的手部活动和力量的技术措施之间的相关性.
- 确定哪种主观评级方法,如果有的话,对于WMSDs的风险评估更可靠.
主要方法:
- 59名工人在执行手工密集型任务时被视频录制.
- 主观的手动活动水平和力被工人 (手动活动值限制值®,Borg CR10) 和四名人体工程学观察员评价.
- 客观测量包括手腕角速度 (惯性运动单位) 和前臂肌肉活动 (电肌图根平均平方值正常化至最大自愿电激活).
主要成果:
- 在自我评价的手部活动和手腕角速度之间发现了统计学上显著的相关性,观察者评价也是如此.
- 与工人的自我评价相比,观察员的评价与客观的力量措施的相关性更强.
- 观察家评级显示,整体相关性大小较高,这表明可靠性更高.
结论:
- 当与客观的技术措施相比,观察者对手部活动和力量的评价似乎比工人自我评价更可靠.
- 对手腕角速度和肌肉活动的客观技术测量比评估WMSD风险的主观评级更好.
- 人体工程学观察者评级可以是一个有价值的工具,但应该在可行的情况下补充客观数据.
关键词:
电动肌谱学 电动肌谱学人体工程学是人体工程学.风险暴露 风险暴露 风险暴露手的手的手的手的手.手的强度,手的强度.人类人类人类人类人类人类.惯性测量单位是惯性测量单位.肌肉骨系统疾病 肌肉骨系统疾病职业健康 职业健康 职业健康心理物理学的心理学.评级机构的评级机构评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构的评级机构危险的风险 危险的风险在上肢的上端.他们的手腕.
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