Chris Erickson's brother found himself without the use of his right arm following a tragic accident, but that hasn't stopped him from enjoying Xbox 360 Kinect games.

Here we see one of the direct benefits of controller-free gaming. He might not do quite as well with some of the more limb-intensive Kinect games like Dance Central, but Chris' brother seems to make do in Kinect Adventures, and he doesn't seem to have any problems with Sonic Free Riders, outside of some menu navigation.

Before I picked up my own Kinect this past weekend I was one of the folks who wondered why I'd ever want to control a video game with my body instead of a controller. Here's a heartwarming answer to that question.