Repetitive Stress Injury Prevention 
I received a lot of email following my post asking about writing-specific ergonomics and wrist-strengthening exercises. A lot of people wanted to know what they can do to avoid several common work-related injuries, including: repetitive strain injuries; carpal tunnel syndrome; sore hands, arms, necks, backs; and mousing strain.
Hart, Rowena. TECHWR-L (1999). Articles>Human Computer Interaction>Ergonomics>RSI