From blogs.discovermagazine.com:

Wii rehab might sound like radical intervention for video game addicts, but it’s actually effective physical therapy for patients recovering from strokes, injuries, or surgeries. Otherwise tedious strength and coordination exercises go by a little easier if they involve waving a wireless controller to play virtual bowling, tennis, and golf. But it doesn’t stop there. The next step in video game rehab is “Air Guitar Hero,” which would allow amputees to rock out with the immensely popular Guitar Hero game using a mechanical arm wired to their chest muscles.

…

They tested the Air Guitar Hero system on Iraq veteran Jon Kuniholm, who lost his right hand three years ago. With electrodes attached to what was left of his arm and a little practice, Kuniholm was able to score a respectable 70 percent on the easy level. “You’re doing something simple,” he says. “It’s not rocket science. But you have to do it fast and you have to time it right.”

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