Aerobic training equipment
In the human body, aerobic metabolism utilizes oxygen to produce energy whereas anaerobic metabolism does not utilize oxygen. Aerobic exercise, which requires the transport of large amounts of oxygen is believed to have beneficial effects on the cardiovascular system and is sometimes also referred to as cardiovascular exercise. There is a wide range of exercise machines and devices that provide aerobic exercise, that is, exercise that improves respiratory function by increasing the consumption of oxygen. Activities such as jogging, cycling, swimming, rowing and cross country skiing are generally identified as aerobic exercises and primarily involve the use of the muscles of the extremities, that is the arms and legs. Aerobic exercises rely generally on rapid and extended repetitions of an exercise movement against low to moderate resistance. Running and jogging are examples of what are typically regarded as aerobic exercises. Treadmills and stepper-type machines are examples of machines for performing running, stepping or jogging-type exercised. Anaerobic exercises for muscle conditioning are usually performed by making a relatively few repetitive movements or repetitions (e.g., 10-30) against high resistance. Typically, anaerobic exercises involve a more static type of exercise in which the user pushes or pulls against a force which can be selected or adjusted consistent with the user's desires. Known forms of aerobic exercise machines include treadmills, exercise cycles, stair steppers, rowers, cross country skiers and arm ergometer (arm cycles) which exercise primarily the muscles of the legs and arms. Known weight training machines for anaerobic exercise use weights, elastic bands, springs and pressurized canisters which in most cases exercise the extremities. Aerobic exercise is believed to improve endurance, decrease blood pressure and body mass and improve the lipid profile and insulin sensitivity.
Aerobic training equipment categories