To be clear, the study tested with four specific games, Wii Sports Bowling, Tennis and Boxing, and Dance Dance Revolution.
They found that the games encouraged repetitive movements, while providing positive feedback in a fun environment, according to the study published online this week in the Archives of Physical Medicine and Rehabilitation.
Significantly, the researchers said children with cerebral palsy who typically utilized one, dominant side of their body were engaging their full body when playing the games, suggesting that the activity could be a low-impact way of achieving therapeutic goals.
“While our results did not show that (active video) game play can be regarded as a replacement for more vigorous physical activity or muscle strengthening, we found that some games may provide targeted therapy focused on specific joints or movements,” said Elaine Biddiss of the University of Toronto who led the study.
(Yay U of T, my alma mater)
It's interesting that while the headline says "Video Games" the actual games in question are uniquely active games that exist within a very narrow category of video games, and aren't your traditional PC or console games.
Playing on a Tablet as Therapy (WSJ subscription required)