A rowing machine is the best piece of exercise equipment for giving your a complete workout. It provides great cardio vascular benefits to the entire body, which helps to lose the calories as well as tone your body. A rowing machine uses air as a means of resistance and can be set to a variety of resistance levels. The ability to adjust resistance levels allows the user to customize their rowing machine workouts to the level that they need. This makes a fitness rower ideal for everyone, from beginners to pro athletes.