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Diminished dietary thermogenesis in exercise-trained human subjects

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Summary

The influence of exercise-training on dietary-induced thermogenesis (DIT) was investigated in humans. The resting metabolic rate was identical in trained and non-trained subjects, but the response to a meal containing 1,636 kcal (6.9 MJ) was markedly lower in trained subjects. Mean dorsal skin temperature, as measured by thermography, was not influenced by training. A significant correlation was observed between postprandial RQ and DIT, which indicates that the reduced energy expenditure noted in trained subjects is related to a greater lipid oxidation. This sparing effect of exercise-training on energy utilization in the form of carbohydrate, is interpreted as adaptive in the sense that energy is preserved for the purpose of producing work.

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Members of Nutrition Research Centre, Laval University

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Tremblay, A., CÔté, J. & LeBlanc, J. Diminished dietary thermogenesis in exercise-trained human subjects. Europ. J. Appl. Physiol. 52, 1–4 (1983). https://doi.org/10.1007/BF00429016

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  • DOI: https://doi.org/10.1007/BF00429016

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