In March, 2012 the medical journal Pediatrics release the results of a study that suggests the increased movement associated with active games like the Wii fit and other games bears no significant difference in overall activity levels of users. The 13 week study included 78 kids, 51% of them were boy from varying ethinic backgrounds. The kids were divided into two groups, one that played active games and other played normal sedentary games that didn't require mvement of participants.
After reviewing the play logs of the children and the collected data from their accelerometers which measured their exertion, scientists and doctors were able to conclude that there was no significant difference between the two groups of children. The major difference noticed was, children who were in the active group and under observation played more vigorously than those who were not under observation. It was believed that once the children were no longer under observation, their activity levels fell below those of the children in the sedentary video games group.
In conclusion it is safe to say that active video games do not provide a public health benefit to you or your children. However, if you are going to play games, or let your children play, why not make it a game that forces them to get up and move around a little. When in doubt, the best option is and always will be, use of the imagination, running around, in the natural light and fresh air of the outdoors. Pack up the controllers, pick up a ball, or bike and enjoy!