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The Impact of Posture on Wrist Tendinosis Among Blue-Collar Workers: The San Francisco Study

机译:姿势对蓝领工人手腕腱鞘的影响:旧金山研究

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摘要

Objective: The objective was to evaluate the effect of wrist posture on incidence of wrist tendinosis in a prospective cohort of blue-collar workers. Background: Previous studies have identified awkward wrist posture as a risk factor for wrist tendinosis, though the magnitude of the relationship is unclear. Method: Workers (N = 413) at four industries were followed for up to 28 months with questionnaires and physical examinations every 4 months. Individualized exposure assessments of wrist posture were based on video analysis to determine the wrist extension/flexion angle for up to four tasks. Posture measures were calculated while in "heavy pinch" (> 1 kg force), "heavy power grip" (> 4 kg force), and across "all grips." A proportional hazards model estimated the relationship between time-weighted average posture measures and incidence of dominant-side wrist tendinosis. Results: In a model based on tertiles of exposure, adjusted for age, gender, hand force, and repetition of exertions, risk of tendinosis more than doubled in the highest category (HR = 2.69, 95% Cl = 1.01-7.21) across all grips. The relative risk was highest during heavy pinch (HR = 5.03, 95% Cl = 0.74-34.05), though not statistically significant. Increased median wrist extension while in heavy power grip was protective (HR = 0.24, 95% Cl = 0.06-0.94). Conclusion: In this study of production workers, median wrist flexion of more than 7°, across all grips, was associated with an increased risk of tendinosis. The protective findings on median wrist extension during power grip deserve further investigation. Work tasks and tools should be designed to prevent sustained wrist flexion, especially during tasks involving forceful pinch.
机译:目的:目的是评估在蓝领工人的预期队列中,腕部姿势对腕肌腱病发生率的影响。背景:先前的研究已经将腕部姿势的尴尬确定为腕部肌腱炎的危险因素,尽管这种关系的程度尚不清楚。方法:对四个行业的工人(N = 413)进行长达28个月的随访,每4个月进行一次问卷调查和身体检查。腕部姿势的个性化暴露评估基于视频分析,以确定最多四个任务的腕部伸展/弯曲角度。在“重捏”(> 1 kg力),“重力抓地力”(> 4 kg力)以及“所有抓地力”中计算姿势测度。比例风险模型估计了时间加权平均姿势测度与优势侧腕肌腱病发生率之间的关系。结果:在基于暴露量的三分位数的模型中,针对年龄,性别,手力和重复运动进行了调整,在最高类别(HR = 2.69,95%Cl = 1.01-7.21)中,肌腱病的风险增加了一倍以上握把。重度捏合期间的相对风险最高(HR = 5.03,95%Cl = 0.74-34.05),尽管无统计学意义。重度握力时增加的中位腕部伸展是有保护作用的(HR = 0.24,95%Cl = 0.06-0.94)。结论:在这项对生产工人的研究中,在所有抓握过程中,腕部屈伸中位数超过7°与肌腱病风险增加有关。握力时腕部正中伸的保护性发现值得进一步研究。应设计工作任务和工具以防止腕部持续屈曲,尤其是在涉及强力挤压的任务中。

著录项

  • 来源
    《Human Factors》 |2014年第1期|143-150|共8页
  • 作者单位

    University of California, Berkeley, USA, and Samuel Merritt University, Oakland, California, USA;

    University of California, Berkeley, USA;

    University of California, Berkeley, USA;

    University of California, San Francisco, USA;

    University of California, Berkeley, USA, and University of California, San Francisco, USA ,University of California, San Francisco, RFS, 1301 South 46th Street Bldg. 163, Richmond, CA 94804, 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

    wrist; tendinosis; tendinitis; tendon-itis; tendonopathy; posture; prospective; exposure response; incidence;

    机译:腕;肌腱病;肌腱炎;肌腱炎;肌腱病;姿势;预期;暴露反应;发生率;
  • 入库时间 2022-08-18 02:18:42

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