Contextualising Maximal Fat Oxidation During Exercise: Determinants and Normative Values

Using a short-duration step protocol and continuous indirect calorimetry, whole-body rates of fat and carbohydrate oxidation can be estimated across a range of exercise workloads, along with the individual maximal rate of fat oxidation (MFO) and the exercise intensity at which MFO occurs (Fat ). The...

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Published inFrontiers in physiology Vol. 9; p. 599
Main Authors Maunder, Ed, Plews, Daniel J., Kilding, Andrew E.
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 23.05.2018
Subjects
cycling
exercise
fat oxidation
normative values
Physiology
running
running
exercise
cycling
normative values
fat oxidation
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Summary:Using a short-duration step protocol and continuous indirect calorimetry, whole-body rates of fat and carbohydrate oxidation can be estimated across a range of exercise workloads, along with the individual maximal rate of fat oxidation (MFO) and the exercise intensity at which MFO occurs (Fat ). These variables appear to have implications both in sport and health contexts. After discussion of the key determinants of MFO and Fat that must be considered during laboratory measurement, the present review sought to synthesize existing data in order to contextualize individually measured fat oxidation values. Data collected in homogenous cohorts on cycle ergometers after an overnight fast was synthesized to produce normative values in given subject populations. These normative values might be used to contextualize individual measurements and define research cohorts according their capacity for fat oxidation during exercise. Pertinent directions for future research were identified.
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This article was submitted to Exercise Physiology, a section of the journal Frontiers in Physiology
Edited by: Davide Malatesta, Université de Lausanne, Switzerland
Reviewed by: Jean-Frédéric Brun, INSERM U1046 Physiologie et Médecine Expérimentale du Coeur et des Muscles, France; Todd Anthony Astorino, California State University San Marcos, United States
ISSN:1664-042X
1664-042X
DOI:10.3389/fphys.2018.00599