键盘腕托是一种设计用于在打字休息时为手腕和手臂提供支撑的装置。从理论上讲,使用键盘护腕可以降低反复应力损伤和相关疾病的风险,尽管正确使用护腕很重要。一些键盘托盘配有内置的腕架,也可以作为独立物品购买此配件。除了键盘护腕,人体工程学配件公司还生产鼠标护腕。
通常情况下,键盘腕托填充有一种坚硬但给人以帮助的材料,如凝胶。理想情况下,它具有圆形边缘,因此没有尖锐的侧面对用户的手腕和手掌施加压力,腕托与键盘的高度大致相同,深度较浅,以确保用户不会将手臂伸出身体,越过腕托到达键盘。在共用的办公桌上,腕托可能会被一种出于健康原因易于消毒的材料覆盖。
腕托是指当有人没有实际打字时使用的,它们是指用于手掌和脚跟,而不是手腕本身。打字时,人们应将手放在键盘上方,手指向下敲击。手放在上面还可以更容易地够到键盘上的遥控功能键。尽管宣传目录中有人们用手腕牢牢固定在键盘护腕上打字的图片,但不建议使用这种用法。
使用键盘腕托可以帮助某人保持双手在键盘上方,因为键盘腕托提供了保持手腕向上的提示。在打字休息期间,可以允许双手向后滑动,以便手掌后跟位于键盘腕托上,在休息时保持符合人体工程学的手部姿势。当打字员准备继续打字时,可以将手从腕托上抬起,放在适当的位置进行打字。
此键盘配件应与其他符合人体工程学的措施相结合。确保键盘处于正确的高度,以及用户与显示器之间的距离适当,这一点很重要。对灯光、座椅配置等进行细微调整也会带来很大的舒适度差异。在工作站上遵循人体工程学准则可以大大减少重复性压力伤害,让人们在工作中感觉更舒适。
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