[1]刘一鹏,刘骏识,曲行达.重物认知信息对搬举任务生物力学特性的影响[J].深圳大学学报理工版,2021,38(3):287-294.[doi:10.3724/SP.J.1249.2021.03287]
 LIU Yipeng,LIU Junshi,and QU Xingda.Effects of load information on biomechanical characteristics of lifting tasks[J].Journal of Shenzhen University Science and Engineering,2021,38(3):287-294.[doi:10.3724/SP.J.1249.2021.03287]
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重物认知信息对搬举任务生物力学特性的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第38卷
期数:
2021年第3期
页码:
287-294
栏目:
生物工程
出版日期:
2021-05-14

文章信息/Info

Title:
Effects of load information on biomechanical characteristics of lifting tasks
文章编号:
202103011
作者:
刘一鹏刘骏识曲行达
深圳大学人因工程研究所,广东深圳 518060
Author(s):
LIU Yipeng LIU Junshi and QU Xingda
Institute of Human Factors and Ergonomics, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
生物力学职业损伤下背疼痛搬举重物信息运动分析表面肌电
Keywords:
biomechanics occupational injuries low back pain lifting load information motion analysis surface electromyography
分类号:
TB18;TB49
DOI:
10.3724/SP.J.1249.2021.03287
文献标志码:
A
摘要:
手工搬举导致的下背疼痛是最常见的职业损伤之一.为了解在手工搬举任务中,不同的重物认知信息对搬举生物力学特性的影响,招募24名有搬举工作经验的健康男性,完成在不同重物认知信息(质量提示信息和易碎性提示信息)和重物质量组合情况下的搬举任务.重物提示信息设置了无信息、质量信息、易碎信息、同时提示质量和易碎信息4个水平.重物质量设置了轻、适中和重3个水平.分析结果显示,在提示易碎信息的情况下,受试人大腿和背部的肌肉活动减弱,下背力矩及髋关节最大角速度减小;随着搬举动作持续时间延长,下背受伤的风险增高;质量信息对下背生物力学无显著的影响;与认知信息相比,重物质量对搬举生物力学表现的影响更大.因此,相比给予重物信息提示,控制搬举负重是保障搬举工人腰背健康更有效的方式.研究结果可为制定安全手工搬举作业标准提供参考.
Abstract:
The lower back pain caused by manual lifting is one of the most common occupational injuries. This study aims to investigate how biomechanics of lifting tasks is affected by the availability of load information. Twenty-four healthy men with lifting experience were recruited, and they were instructed to perform the lifting tasks under different weights, fragility information and lifting load conditions. The lifting load was set at three levels including light, medium and heavy. The load prompt information has four levels corresponding to “no information”, “prompt mass information”, “prompt material fragility information” and “prompt mass and material fragility information”, respectively. The results show that with the availability of material fragility information, the muscle activity of thigh and back is weakened, meanwhile, the torque of low back and the maximum angular velocity of hip joint are reduced. However, due to the longer duration of lifting, the risk of low back injuries increased instead. The prompt information about load weight has no significant influence on lower back biomechanics. The lifting load effects on lifting biomechanics are more substantial than load prompt information. This suggests that reducing lifting load should be more effective in the control of lower back pain. The experimental results can provide useful guidance for the design of safe manual lifting operation standards.

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备注/Memo

备注/Memo:
Received:2021-01-06;Accepted:2021-03-23
Foundation:National Natural Science Foundation of China(31570944)
Corresponding author:Professor QU Xingda. E-mail: quxd@szu.edu.cn
Citation:LIU Yipeng,LIU Junshi,QU Xingda.Effects of load information on biomechanical characteristics of lifting tasks[J]. Journal of Shenzhen University Science and Engineering, 2021, 38(3): 287-294.(in Chinese)
基金项目:国家自然科学基金资助项目(31570944)
作者简介:刘一鹏(1995—),深圳大学硕士研究生.研究方向:人因工程.E-mail:a184401661@foxmail.com
引文:刘一鹏,刘骏识,曲行达.重物认知信息对搬举任务生物力学特性的影响[J]. 深圳大学学报理工版,2021,38(3):287-294.
更新日期/Last Update: 2021-05-30