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Post-effects of long-term hand vibration on visuo-manual performance in a tracking task

机译:跟踪任务中长期手部振动对视觉-手动性能的后效应

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摘要

Movement precision and performance time were evaluated through a visuo- manual tracking task performed before and after 10-min hand vibration exposure. constant displacement amplitude vibration of 0.2 and 0.3 mm peak to peak at 90, 150, 300 Hz were applied to the hand z-axis by a vertical handle. During exposure a grip force of 5/100 MVC was exerted for 5 s and then relaxed for 25 s while maintaining fingers-handle contact.
机译:通过在10分钟手部振动暴露之前和之后执行的视觉手动跟踪任务来评估运动精度和执行时间。通过垂直手柄将90、150、300 Hz处峰到峰的0.2和0.3 mm的恒定位移振幅振动施加到手z轴。在暴露过程中,将5/100 MVC的握力施加5 s,然后放松25 s,同时保持手指与手的接触。

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