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Sex-specific effects of sitting vs standing on upper body muscle activity during text typing

机译：文本键入期间坐着对上身肌肉活动的性别特异性效果

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摘要

Standing computer work is increasingly popular. However, despite the higher rates of computer work-related disorders in women, no studies have compared how standing work affects men and women. Twelve males and 12 females completed 90-min typing tasks in each posture while electromyography (EMG) data was recorded from eight muscles of the upper body. Results show that females had significantly higher EMG root-mean-squared (RMS) values in the anterior deltoid than males when seated, but higher EMG RMS in the medial trapezius than males when standing (SBC <= 0.05). In standing, they also had lower values than males in the erector spinae. Overall, standing elicited less activity in the upper trapezius, wrist extensors and erector spinae than sitting. Results suggest that the standing posture is generally less muscularly demanding than the seated one, although men and women's neck/shoulder musculature responds differently to the same task performed while seated or standing.
机译：常设电脑工作越来越受欢迎。 然而，尽管妇女的计算机有关疾病的速度较高，但在常设工作如何影响男性和女性时，没有研究。 12名男性和12名女性在每个姿势中完成了90分钟的打字任务，而电拍摄（EMG）数据被从上半身的八个肌肉记录。 结果表明，当坐着时，女性在前三角形时比男性显着更高的EMG根平均平方（RMS）值，但是在静止时，内侧梯形的EMG rms比男性更高，而不是雄性（SBC <= 0.05）。 在站立时，它们的价值也比埃尔特塞体中的雄性较低。 总体而言，站立速度较少的活动在上梯内，腕部伸肌和射击器塞纳克比坐着。 结果表明，常设姿势通常比坐在的姿势更低，虽然男女颈部/肩部肌肉组织在坐着或站立时执行的相同任务不同。

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  • 来源
    《Applied Ergonomics》 |2020年第2020期|共5页
  • 作者

    Cui Alexander; Emery Kim; Beaudoin Anne-Sophie; Feng Jessica; Cote Julie N.;

  • 作者单位

    McGill Univ Dept Kinesiol &

    Phys Educ 475 Pine Ave West Montreal PQ H2W 1S4 Canada;

    McGill Univ Dept Kinesiol &

    Phys Educ 475 Pine Ave West Montreal PQ H2W 1S4 Canada;

    Jewish Rehabil Hosp Feil &

    Oberfeld CRIR Res Ctr 3205 Alton Goldbloom Pl Laval PQ H7V 1R2 Canada;

    Jewish Rehabil Hosp Feil &

    Oberfeld CRIR Res Ctr 3205 Alton Goldbloom Pl Laval PQ H7V 1R2 Canada;

    McGill Univ Dept Kinesiol &

    Phys Educ 475 Pine Ave West Montreal PQ H2W 1S4 Canada;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自动化系统理论;
  • 关键词

    Computer work; Posture; Sex; Electromyography;

    机译：电脑工作;姿势;性别;肌电图;

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