![]() ![]() Sports scientists generally agree that athletes will enjoy measurably increased endurance if, with no prior aerobic training, they seek to attain a workout level of four times per week for a minimum of 30 minutes per training session. An increase in blood volume will result in greater amounts of glucose and oxygen being transported for energy production, as well as more speedily removing waste. Any sport or training program that serves to increase the strength of the heart, by requiring the heart to pump more frequently over time, will tend to increase the volume of blood that the heart is able to pump through the cardiovascular system. The greater the efficiency of the delivery and removal mechanisms as supported by the blood and the underlying cardiovascular system, the greater the capability of the anaerobic system to produce energy, which is another definition of human endurance. The red blood cells also remove the carbon dioxide and other wastes in the production and consumption of ATP. The glucose will be employed by the body in a chemical process whereby the actual aerobic fuel, adenosine triphosphate (ATP), is created and burned through the introduction of oxygen transported by the erythrocytes, the red blood cells of the bloodstream. The anaerobic system draws upon stores of the sugar glucose, which is stored by the body in both the liver and in the muscles in the form of glycogen. The aerobic energy system, in contrast to the anaerobic systems, both lactic and alactic varieties, will produce energy in a steady mode, where energy can be produced in relatively constant amounts for long periods. ![]() It is a component of many aspects of sport endurance sports have come to have a well-understood and distinct meaning.Įndurance sports are those that rely primarily on the aerobic system to provide energy for the performance of the activity. Endurance is the ability of an athlete to withstand external physical pressures over time, or to maintain competitive and training focus under pressure. ![]()
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