電腦－二十世紀科技產物，雖然人類帶來無比的震撼與相當的便利，卻也有著相對 的人體傷害。工作環境中「肌肉彈性疲乏受傷」之職業傷害正以驚人比率增加，長時間操作 電腦與鍵盤者尤其危險，電腦螢幕之影響亦為不可輕忽之副作用。對於這些危害有所認識並 採取預防措施，可以使工作環境中的壓力降低並提高生產力，也可以免除不必要的受苦。

　　　　　The computer is the most unique product of the twentieth century, it brings incomparable change and convenience, but it also brings relative injuries. The rate of repetitive strain injuries (RSI) in the workplace is rising. People using computers and working at keyboards for long periods of time are particularly at risk. Understanding and preventing these hazards can make the work environment less stressful and more productive, as well as help to avoid needless suffering.