Add Yahoo as a preferred source to see more of our stories on Google. Most gyms have plyometric boxes. They're also found in parks with public workout areas. Photo: Getty Images Building body strength ...

Add Yahoo as a preferred source to see more of our stories on Google. Plyometric exercise box jump being performed by a man and woman. If you’re looking to up the intensity of your workouts and burn ...

Explosive jumping moves, a.k.a. plyometrics, burn calories to the tune of nine or more a minute—the equivalent of jogging. And they work to super-sculpt muscles too. You can reap even more body ...