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Since the Wingate test stresses the anaerobic metabolic systems glucose consumption pre-testing can be another influential factor. The anaerobic energy systems use glucose as the primary energy source, and greater available glucose could influence the power output over short intervals.
The Margaria–Kalamen test has been a standard test for determining peak power for some time, and at one time was thought to be a measure of the power of the pure alactic anaerobic system. However, it is now thought that even on such a short test, there is still a significant contribution from the lactic anaerobic system. [4]
A government experiment to test ventilatory threshold was held between November and December 2004. Subjects included 32 physically active males (age: 22.3; TV: 180.5; TM: 75.5 kg; VO2max: 57.1 mL/kg/min) encountered a continuous test of increasing loads on a treadmill, cardiorespiratory and other variables were observed using ECG (recording of ...
The blood lactate concentration at the anaerobic threshold is called the "maximum steady-state lactate concentration" (MLSS). [8] AeT is the exercise intensity at which anaerobic energy pathways start to operate, considered to be around 65-85% of an individual's maximum heart rate. [2]
Excess post-exercise oxygen consumption (EPOC, informally called afterburn) is a measurably increased rate of oxygen intake following strenuous activity.In historical contexts the term "oxygen debt" was popularized to explain or perhaps attempt to quantify anaerobic energy expenditure, particularly as regards lactic acid/lactate metabolism; [1] in fact, the term "oxygen debt" is still widely ...
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Anaerobic system – This system predominates in supplying energy for intense exercise lasting less than two minutes. It is also known as the glycolytic system. An example of an activity of the intensity and duration that this system works under would be a 400 m sprint. Aerobic system – This is the long-duration energy system.
The loss of accuracy during more intense anaerobic exercise is among others due to factors including the bicarbonate buffer system. The body tries to compensate for the accumulation of lactate and minimize the acidification of the blood by expelling more CO 2 through the respiratory system. [5] The RER can exceed 1.0 during intense exercise.