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For millions of Americans, hand-held electronic devices such as BlackBerries, Treos, and Sidekicks are a source of convenience and efficiency. But, if used improperly, they can also be a source of chronic pain and injury. Margot Miller, PT, a physical therapist with WorkWell Systems in Duluth, MN notes that the condition is caused by spending too much time checking and composing e-mails, instant messaging, and accessing the Internet for both work and personal use through a handheld wireless personal digital assistant (PDA). Miller points out that users who abuse their PDAs--that is, those who use them for more than short intervals, several times a day--are more likely to develop symptoms ranging from swelling and hand throbbing to tendonitis. Additionally, because so many PDA users are middle-aged businesspeople, overuse can aggravate underlying arthritis, she says.
Here are tips on how to avoid "Blackberry Thumb" from the American Physical Therapy Association:
* Take frequent breaks from your PDA. It's harmful to type for more than a few minutes at a time.
* Write fewer and shorter messages; learn to abbreviate your responses.
* ...