Profactor T-2000 Plyometric exercises are a great way to build muscle. This is a good way to work on your fast-twitch fibers and develop your mass quicker. Plyometrics require lots of quick moves and acceleration. So when you do something like plyometric push-ups, you would pull your hands up off the floor, allowing your body to explode into the air as high as possible.http://www.supplements4us.com/profactor-t-2000/