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Alterations in shoulder muscle activity due to changes in data entry organisation

机译:数据输入组织的变化导致肩部肌肉活动的改变

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The aim of the present study was to investigate how changed work organisation and different work tasks influence shoulder muscular load and to quantify the magnitude, duration and frequency of rest periods from shoulder muscular load during aworking day. Shoulder muscular load was measured in 22 females working at their data entry workplaces, during a whole working day. The activity from both trapezius muscles was measured with EMG before (1991) and after (1992) a reorganisation programmeintended to redistribute repetitive work and provide new work tasks.The change in work organisation did not change the magnitude of muscular load or the duration and frequency of rest periods, but decreased musculoskeletal problems The subjects' increased desk work involved greater muscular load than the data entry did,but also allowed more movement. The changes in work tasks seemed to be important, although small. In repetitive work, organisational changes aimed at reducing musculoskeletal disorders should focus on providing employees with tasks that afford variationin muscular load.
机译:本研究的目的是调查变化的工作组织和不同的工作任务如何影响肩部肌肉负荷,并量化上班期间肩部肌肉负荷引起的休息时间的大小,持续时间和频率。在整个工作日中,对22位在数据输入工作场所工作的女性的肩部肌肉负荷进行了测量。 1991年之前和1992年之后(1992年)的肌电图测量了斜方肌的活动,肌电图旨在重新分配重复性工作并提供新的工作任务,但工作组织的变化并没有改变肌肉负荷的大小或持续时间和频率休息时间,但减少了肌肉骨骼问题受试者增加办公桌工作所涉及的肌肉负荷大于数据输入所产生的肌肉负荷,但也允许更多的运动。工作任务的变化虽然很小,但似乎很重要。在重复性工作中,旨在减少肌肉骨骼疾病的组织变革应着重于为员工提供能够承受肌肉负荷变化的任务。

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