Aerobic exercise is a physical activity that may be closely associated with anaerobic exercise. Aerobic exercises, in particular, use oxygen to permit the muscles to generate energy and describe all modes of physical exertion, but refer mainly to those that are performed at energy levels that are characterized as being moderately elevated and continuously performed for extended lengths of time.
Aerobic exercise seeks to maintain a higher heart rate while using oxygen to consume fat and glucose in the creation of adenosine triphosphate, or ATP, which is the conveyor of essential energy for each and every cell. At the beginning of aerobic exercise, glycogen is broken down in order to produce glucose but, if no glucose is present, this results in fat beginning to decompose. The attempted decomposition of fat is a process which is time consuming and thus causes functional levels to go down while waiting for additional energy input. When the body starts using fat as a fuel, it passes into the condition that marathon runners refer to as, "hitting the wall."
There are a variety of different types of aerobic exercises and the classical ones are performed at levels of intensity that may be deemed as somewhat high and maintained for longer time periods. In the instance of a person running a long distance at a modest pace, this is treated as being similar to an aerobic exercise, while rapid sprints are not viewed as aerobic conditioning. Indeed, any physical activity that involves continuous motion may be termed as aerobic exercise, though activities that have frequent breaks are not thought of being as aerobic exercises.
An often-voiced disparagement of aerobics is that it is inadequate for professional benchmarks, such as those of athletes, combatants, and emergency personnel. This may be because aerobic exercises do not provide muscular strength, especially in the upper body musculature.
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Regular aerobic activity should be included in everyone's daily routine to strengthen the heart and lungs and make them work more efficiently. Aerobic activity can include running, walking, stair climbing, dancing, swimming, or any number of other activities that get the heart working harder for a continuous period of time.
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