If you're ready to test your lung capacity, aerobic fitness, recovery rate and endurance then welcome to The Nix workout. Moving large muscle groups, explosively, many times is a guarantee to use up any on-board fuel stored in the muscles and the bloodstream and activate the Krebs Cycle to give you a satisfying burn. This is a difficulty Level V workout which means that it's not really suitable for beginners. But it is definitely the kind of workout you want to own some day.
Extra Credit: 1 minute rest between sets.
