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Metabolic responses during postprandial exercise

Metabolic responses during postprandial exercise

Kang, Jie, Raines, Emily, Rosenberg, Joseph, Ratamess, Nicholas, Naclerio, Fernando ORCID: 0000-0001-7405-4894 and Faigenbaum, Avery (2013) Metabolic responses during postprandial exercise. Research in Sports Medicine, 21 (3). pp. 240-252. ISSN 1543-8627 (Print), 1543-8635 (Online) (doi:10.1080/15438627.2013.792088)

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Abstract

To examine metabolic interaction between meal and exercise, 10 men and 10 women completed three trials: (1) exercise (E), (2) consumption of a meal (M), and (3) consumption of a meal followed by exercise (M+E). All trials commenced after an overnight fast and were preceded by a rest period in which resting metabolic rate (RMR) was determined. The meal contained 721 kilocalories composed of 41%, 36%, and 23% of carbohydrate, lipids, and protein, respectively. Exercise protocol consisted of three continuous 10-minute cycling at 50%, 60%, and 70% VO2peak. Measurement began 60 min after the start of the meal and included VO2 that was used to determine meal-induced thermogenesis (MIT). VO2 was greater (p < .05) in M+E than in E at 50% and 60% VO2peak. MIT was higher (p < .05) during exercise at 50% VO2peak than at rest. It appears that postprandial exercise of mild intensities can potentiate MIT, thereby provoking a greater increase in energy expenditure.

Item Type: Article
Additional Information: [1] Copyright © Taylor & Francis Group, LLC
Uncontrolled Keywords: oxygen consumption, energy expenditure, metabolism, cycle ergometry, efficiency, perceived exertion
Subjects: Q Science > QP Physiology
Faculty / Department / Research Group: Faculty of Engineering & Science
Related URLs:
Last Modified: 14 Oct 2016 09:29
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/12325

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