virtual reality gives the ability for people to exercise in environments you can't do in your life. to distract you from the fact you're exercising and letting you just enjoy the game. >> you are in a different world when you put that headset on. from what we've tested in a lab here, we see, indeed, that you can get a great workout from virtual reality. just like running on a treadmill. just like biking. we're measuring the oxygen consumption. the mess bollic rate of the person playing the games. we also measure heart rate. >> you put in an environment that you don't normally go in, like a boxing ring. i think this is a lot safer, and i feel more comfortable doing this. >> when first starting out, choose a virtual reality experience that's comparable to your experience level. >> you can have people who suffer from motion sickness. and i'd say as soon as that starts to happen you just kind vf to stop the game. >> the trip is a virtual