This is part 2 of 3 part series. My take on interval training. From the 1st one to this one you should have as little rest as possible. This is an intense full body, fat …
source Muscle Building Cardio
This is part 2 of 3 part series. My take on interval training. From the 1st one to this one you should have as little rest as possible. This is an intense full body, fat …
source Muscle Building Cardio