ability for people to exercise an environment you can't in real life and letting you just enjoy the game. >> you are in a different world when you put that head set on. from what we've test itted in the it lab, we see indeed you can get a great workout from virtual reality. we're measuring the oxygen consumption, the metabolic rate of the person playing the game and we measure heart rate. >> you put in an environment you don't normally go in, like a boxing ring. this is safer >> you want to choose an experience comparable to your experience level. >> you can have people who suffer from motion sickness and as soon as that starts to happen, you have to stop the game. >> the trip is a virtual