Treadmills are ubiquitous with the idea of working out and getting into shape, and it's not because of coincidence. So many people use them because they can provide an excellent work out for all kinds of different people, no matter what your experience level, fitness level, age or background is. You can enjoy slow, long walks or intense interval training, or anything else in between. Perhaps most importantly, you will burn off a great deal of calories and you'll be able to do it right from your home, saving the hassle and time of going to the gym. For all of these reasons and more treadmills are extremely popular for home workouts.