The PlayStation thumb came about as you spent too much time with the original PSOne, and those who tend to text a lot with their BlackBerries will definitely suffer from BlackBerry thumb. Until the folks at RIM discover a way to avoid this condition, we might have to rely on third party solutions such as the Xtensor that supposedly strengthens and rehabilitates your hand from stress and injuries. I guess BlackBerry thumb isn’t the only condition it treats but other hand-related injuries as well. No idea on the effectiveness of the Xtensor, but if you have exhausted all other avenues, I don’t see the harm in trying one more solution.
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