Elliptical machines are a great piece of exercise equipment for doing cardio workouts. There are many settings to choose from; you can work at one pace or pick a program that varies your speed and resistance for a maximum workout. You can also move forwards or backwards. elliptical machines benefits are great for working your legs, thighs, and buttocks as well. I would also recommend an elliptical machine if you do not enjoy running on the treadmill because you can get the same intense workout without the act of running.