Moving through a streamline of exercises, one after another without resting in between, is called circuit training. This is the form of exercise in the Fat Burning Furnace program. You only do one set of the reps of each exercise.

This type of workout helps burn fat and also builds muscle. Some exercises you might include in the circuit could also improve your cardio vascular endurance. You can use your own body weight in some exercises to create the weight that needs to be lifted. While in other exercises you use free weights or dumbbells.

To make the muscle mass increase you should perform fat burning furnace enough reps to exhaust the muscle before moving on to the next exercise. If you only want to tone the muscles then set a specific number of reps and just do those for each exercise and then go through the circuit several times.

By not taking any rest time between exercises your heart rate is kept high, helping increase the impact.