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首页> 外文期刊>International Journal of Occupational Safety and Ergonomics >Evaluation of design alternatives for sewing scissors with respect to hand performance, discomfort and usability
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Evaluation of design alternatives for sewing scissors with respect to hand performance, discomfort and usability

机译：对缝纫剪刀的设计替代品，对手工性能，不适和可用性的评估

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摘要

The effects of three re-designed models of sewing scissors on hand performance measures, discomfort and usability were investigated, and the results were compared with those of conventional scissors. Adjustments were made to the scissors handle with emphasis on more neutral wrist postures (bent handle - model A), correction of the thumb's position and movements (model B) and reducing hand/finger discomfort (model C) while working with the tool. The results showed some improvements in hand performance, muscular effort, usability and discomfort with model B compared to the conventional model. Better hand performance and usability and lower discomfort were recorded with model C compared to the conventional model. The results suggest that the correction of the thumb's position and movement (model B) or even reduced hand/finger discomfort (model C) are perhaps more important considerations in scissors design than improved wrist posture (model A) for improving users' performance and usability of the tool.
机译：研究了三种重新设计缝纫剪刀的效果，对手性能测量，不适和可用性进行了调查，结果与传统剪刀的结果进行了比较。在剪刀手柄上进行调整，重点是更多中性手腕姿势（弯曲的手柄 - 模型A），拇指的位置和移动（模型B）并减少手/手指不适（型号c），同时使用该工具。结果表明，与传统模型相比，B模型B的手部性能，肌肉效力，可用性和不适的一些改进。与传统模型相比，使用型号C记录更好的手动性能和可用性和更低的不适。结果表明，拇指的位置和运动（模型B）或甚至减少手/手指不适（型号C）的校正可能比改善手腕姿势（模型A）更加重要的考虑因素，用于提高用户的性能和可用性工具。

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