Good quality elliptical trainers, on the other hand, usually cost more than $5,000, that is why you should be 100% sure in purchasing this exercise equipment. Among of the items that receive excellent consumer feedbacks are; Sole E55 Elliptical Trainer, Smooth 3.2 Elliptical Trainer, New Balance 9.0e Elliptical Trainer, and Spirit ZE110 Elliptical Trainer. Before you go to any retailer to find and buy the best possible cardio machine there is, you should pause for a while and make practical assessments of yourself and of the equipment you are eyeing. What should you know about such cardio exercise machines? First, be reminded that your body is still the ultimate and best cardio exercise machine. Actually it s the large muscle groups at work that really tell your heart to do extra pumps. Each activity of these muscles demand increased oxygen supply and the only way to deliver this oxygen requirement is by delivering more blood to the muscles. Now that you have a clearer physiological picture, let s go to the factors that may affect your choice of cardio equipment. If you prefer the comfort of cycling than walking, rowing, or jogging for cardiovascular fitness, toning or building of your thighs; stationary bikes is for you. The stationary bike is a great leg builder; it will help strengthen your quadriceps muscles, the gluteus muscles, and the hamstring muscles. You should set the resistance at a level that your lower extremity can handle. Handlebars should be oriented within easy access. Stationary bikes offer little upper body training. In order to compensate there have been designs wherein the handlebars move up and back. There are other variations which move the exerciser up and down. After wiping them with the cleanser, dry it with a towel to remove dampness, before storage. Avoid using the cleaning solutions on the treadmill s belt since it could affect the lubrication of the machine. Make sure that they are free of dust and dirt. Make sure that the floor or mat under the treadmill is cleaned and vacuumed regularly.