An article posted online at Forbes today addresses RSI: "Avoiding Repetitive Strain Injury" It's interesting that the article shows up in a business magazine. Previously, carpal tunnel syndrome and RSI have been afflictions mainly associated with computer professionals. It just goes to show you anyone who spends a lot of time at the keyboard is at risk. Some of the highlights of the article...
"Adjust Your Chair. Your forearms should be horizontal to the keyboard. Adjust your chair to the proper height as needed. Many "ergonomic" chairs are adjustable every which way to meet individual needs. Add or remove extra cushions and padding as you see fit. Arm rests or no arm rests? It's up to you.
Pick Your Keyboard Wisely. Ergonomic keyboards may help head off any pain. If you don't go ergonomic, make sure you get a keyboard that isn't stiff and causes you to pound the keys. You could also consider a trackball instead of a mouse. Use an adjustable keyboard tray for both.
Know When To Stop. There's often pressure to finish the job, but if you feel pain, stop. It's also wise to take regular breaks, wiggle your fingers and shake your wrists. Get up and walk around."
Read the original article for the complete list.