Blackberry thumb

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Black·ber·ry thumb

(blak'ber-ē thŭm)
A general term used to describe the clinical signs and symptoms of a repetitive motion injury of the hand, thumb, or fingers caused by overuse of a personal digital assistant type device.
See also: tendinitis
References in periodicals archive ?
I suffer from what some would call BlackBerry thumb.
The best solution to prevent BlackBerry Thumb says Miller, is to "Listen to your body, be aware of your symptoms and take personal responsibility.
Blackberry thumb is the new medical condition sending harassed executives in search of therapy.