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Hand-hold location and trunk kinematics during box handling

机译:箱子搬运过程中的手持位置和行李箱运动学

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摘要

Trunk kinematics variables have been shown to be related to low back injury risk during lifting tasks and it was hypothesised that changes in hand-hold positions could influence trunk kinematics and thereby risk. Fourteen subjects lifted a 5 or 10 kg box using four different hand placement locations (two symmetric and two asymmetric) while their trunk kinematics (position, velocity and acceleration in the sagittal, coronal and transverse planes) were captured using the lumbar motion monitor (LMM). These kinematics data were then used to calculate the probability of high risk group membership (PHRGM) as defined in the LMM risk assessment model. The results showed significant effects of hand placement on trunk kinematics, resulting in significant changes in the PHRGM variable ranging from a low of 20% in a the symmetric low load condition to a high of 38% under the asymmetric, 10 kg condition.
机译:躯干运动学变量已显示出与举重任务中的下背部受伤风险有关,并假设手持位置的变化会影响躯干运动学并因此而产生危险。 14名受试者使用四个不同的手部放置位置(两个对称和两个非对称)举起了一个5或10公斤的盒子,而他们的躯干运动学(矢状,冠状和横断面的位置,速度和加速度)则通过腰部运动监视器(LMM)进行了捕获)。然后,将这些运动学数据用于计算LMM风险评估模型中定义的高风险组成员身份(PHRGM)的概率。结果表明,手放置对躯干运动学有显着影响,导致PHRGM变量发生显着变化,范围从对称低负荷条件下的低20%到不对称10 kg条件下的高38%。

著录项

  • 来源
    《Ergonomics》 |2010年第8期|P.1033-1038|共6页
  • 作者

    Omid Haddad; rnGary A. Mirka;

  • 作者单位

    The Ergonomics Laboratory, Department of Industrial and Manufacturing Systems Engineering, Iowa State University, Ames, IA 50011-2164, USA;

    rnThe Ergonomics Laboratory, Department of Industrial and Manufacturing Systems Engineering, Iowa State University, Ames, IA 50011-2164, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    hand placement; lumbar motion monitor; manual materials handling; trunk kinematics;

    机译:手的位置;腰部运动监测器;人工物料搬运;躯干运动学;

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