* Keep heels of hands lifted off the keyboard, using a soft padded wrist rest if needed.
* Keep hands warm to promote circulation.
* Exercise to improve circulation and overall conditioning.
The advice provided in this graphic comes from the October 24, 1994 issue of Time and from the pamphlet "Preventing Problems at the Keyboard" distributed by Harvard University Health Services.
For more information on RSI, see:
Repetitive Strain Injury by Dr. Emil Pascarelli, published by John Wiley & Sons, Inc., New York and RSI Action Group's website, http://www.eecs.harvard.edu/rsi/