Getting your muscles to the point where you can practically feel the heat coming off them gives the sentence "going for the burn" an entirely new meaning altogether. The Roaster workout helps you attack some major muscle groups again and again from one exercise to another, varying the load, movement and intensity while still engaging the muscles. You will feel your body's temperature rise and you will feel the burn and after it's all over you should feel positively roasted.
Extra Credit: 30 seconds rest between sets.