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. 2021 Mar 23;13(3):1033. doi: 10.3390/nu13031033

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Experimental testing overview. The test at rest and exercise test were performed three times, that is, before any intervention, then after fat adaptation carbohydrate restoration (FACR) (or control high-carbohydrate (HCHO)), and then after HCHO (or FACR). Resting metabolic rate (RMR) and respiratory quotient (RQ) were measured in the test at rest. Maximum fat oxidation rate (MFO), maximum fat oxidation intensity (FATmax), oxygen consumption (VO₂) under FATmax (VO₂ (FATmax)), running speed under FATmax (Speed (FATmax)), running economy (RE), heart rate (HR), VO₂max and 5 km time trial (5-km TT) were measured in exercise tests.