Misconceptions about Aerobic and Anaerobic Energy Expenditure

  • Scott C
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ABSTRACT : The measurement of gas exchange has played an invaluable role in metabolic interpretation. The uptake of 1 liter of oxygen is often converted into an energy expenditure estimate of 21.1 kilojoules (e.g., 1 L O2 = 21.1 kJ or ~5 kcal). This article demonstrates both the importance of such a conversion and the potential for misinterpretation. Oxygen uptake during heavy and severe exercise will also be discussed.




Scott, C. (2005). Misconceptions about Aerobic and Anaerobic Energy Expenditure. Journal of the International Society of Sports Nutrition, 2(2). https://doi.org/10.1186/1550-2783-2-2-32

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