Misconceptions about Aerobic and Anaerobic Energy Expenditure

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 O(2 )= 21.1 kJ or ~5 kcal). This article demonstrates both the importance of such a conversi...

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Detalles Bibliográficos
Autor principal: Scott, Christopher
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2005
Materias:
Commentary
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2129144/
https://www.ncbi.nlm.nih.gov/pubmed/18500953
http://dx.doi.org/10.1186/1550-2783-2-2-32
Descripción
Sumario: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 O(2 )= 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.

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