8 Amazing Fat-Burning Intervals

"8 Amazing Fat-Burning Intervals", By Jeremy Duvall. These are some outstanding cross-training workouts! They not only train you, but they also burn fat to give lean body mass, which is most desirable for running efficiency and economy. These workouts really rock! Use these [any of the 8] or customize your own fat-burning, cardio, strength training endurance workouts!

Source by FitnessHacks101