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. For an upright model, you are seated just as you would on a standard bike. While some prefer this, there are others who complain of too much pressure on the groin and lower back even if these individuals have only spent a short time on the bike. This flaw of the upright model paved the way for the creation of the recumbent model. Be cautious when using the machine because wrong form in using it could lead to uncomfortable body strains. Elliptical machines facilitate elliptical motions. Most compare the use of this cardio exercise equipment to actual cycling. Stand correctly on the foot pedals and move in an elliptical motion upon pedaling. With 90 days warranty - When buying cardio exercise equipment, ask about warranty for parts and labor. 8. Items made of excellent materials - Always check if the cushioning and upholstery are in stellar condition. Compare the equipment with the ones you see in gym. Most home cardio exercise equipment are smaller versions of those available on gyms. Such machines could add fun and excitement to weight training in general. You may opt not to invest in one because you could perform other cardio exercises without the aid of equipment. However, if you really want to increase your motivation and condition your body and mind to do exercises, you should buy and use appropriate cardio exercise equipment now. As you progress, you can increase either the pace or incline so you can burn more fats and keep your heart rate in your target zone. Compare to running outdoors, a treadmill pulls the ground underneath your feet so running is made somewhat easier. The cushioning in treadmills helps minimize stress on your joints.