I found this pretty amusing article on WebMD on the issue of “Blackberry Thumb”. Think of it as repetitive stress syndrome but for your thumbs.
“Blackberry users include a significant segment of the population old enough to be developing arthritis – and this can aggravate it,” Benhaim says. “And there different types of tendinitis. One is trigger thumb. The other is de Quervain’s tenosynovitis, involving the tendons on the side of the wrist right where the forearm joins the wrist. These tendons participate in controlling the thumb and are very