Canadian Medical Guide > Biological Sciences > Biochemical Phenomena, Metabolism, and Nutrition > Metabolism > Oxygen Consumption > Anaerobic Threshold Terms and Definitions




Anaerobic Threshold

Medical Definition: The oxygen consumption level above which aerobic energy production is supplemented by anaerobic mechanisms during exercise, resulting in a sustained increase in lactate concentration and metabolic acidosis. The anaerobic threshold is affected by factors that modify oxygen delivery to the tissues; it is low in patients with heart disease. Methods of measurement include direct measure of lactate concentration, direct measurement of bicarbonate concentration, and gas exchange measurements.
Previously Indexed: Exertion (1966-1988),Oxygen Consumption (1966-1988)

Anaerobic Threshold Medical Definitions and Terms

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