What can I do to prevent carpal tunnel syndrome?

...continued.  - which rub against the walls of the carpal tunnel (the narrow space at the base of your palm) as you flex your hand or fingers-become swollen and press against a major nerve.  treatments include steroids, physical therapy or surgery. There are steps you can take to prevent it:

• Take breaks every half hour from your keyboard to stretch your hands: Make tight fists, hold one second, then stretch your fingers out wide and hold for five seconds. Repeat several times.  Also, when possible, alternate your office activity by photocopying, collating, filing, etc.

• Sit in a comfortable chair that supports your lower back and is adjustable for seat height (elbow angle should be 90 degrees). 0 Use a light touch on the keys and don't rest on your wrists while typing.  For more information, visit the American Academy of Orthopædic Surgeons' Web site at orthoinfo.aaos.org.

Michael O'Shea, Ph.D., is a fellow of the American College of Sports Medicine.  Have a question on exercise or healthy Write: Fitness, Box 4943, Grand Central Station, New York, N.Y.10163-4943. We can't give personal replies but will try to address your concerns in future columns. Remember to consult your physician before starting an exercise program or implementing any exercises that appear in this column.

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