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Determinants and magnitudes of manual force strengths and joint moments during two-handed standing maximal horizontal pushing and pulling

机译:双手站立时最大水平推拉过程中手动力强度和关节力矩的决定因素和大小

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摘要

Pushing and pulling are common occupational exertions that are increasingly associated with musculoskeletal complaints. This study focuses on the sensitivity of shoulder capacity to gender, handle height, exertion type (push or pull) and handle orientation for these tasks. All factors except for handle orientation influenced unilateral and total manual force strength (p < 0.01), with exertion type being the most influential. Interaction effects also existed between handle height and exertion type. Additionally, joint moments at the shoulders and low back were influenced by all factors studied (p < 0.01), with exertion type again being most influential. Knowledge of the relative influence of multiple factors on shoulder capacity can provide guidance regarding these factors when designing or evaluating occupational pushing and pulling tasks for a diverse population.
机译:推和拉是常见的职业运动,越来越多地与肌肉骨骼疾病有关。这项研究的重点是这些任务的肩膀承受能力对性别,手柄高度,用力类型(推或拉)和手柄方向的敏感性。除手柄方向外,所有因素均会影响单侧和总手动力强度(p <0.01),其中用力类型影响最大。手柄高度和劳累类型之间也存在交互作用。此外,肩膀和腰背的关节力矩受所有研究因素的影响(p <0.01),劳累力类型再次最具影响力。在设计或评估针对不同人群的职业推拉任务时,了解多个因素对肩膀承受能力的相对影响的知识可以为这些因素提供指导。

著录项

  • 来源
    《Ergonomics》 |2016年第4期|534-544|共11页
  • 作者单位

    Univ Waterloo, Dept Kinesiol, Waterloo, ON N2L 3G1, Canada;

    Univ Waterloo, Dept Kinesiol, Waterloo, ON N2L 3G1, Canada;

  • 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

    Pushing; pulling; manual force strength; joint moments;

    机译:推力;拉力;手力量;关节力矩;

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