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. 2021 Dec 8;60(6):484–490. doi: 10.1038/s41393-021-00733-2

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — a Absolute V̇O2 at LT1. b Absolute V̇O2 at LT2. c Relative V̇O2 at LT1. d Relative V̇O2 at LT2. e %V̇O2peak at LT1. f %V̇O2peak at LT2. g RPE at LT1. h RPE at LT2. i HR at LT1. j HR at LT2. k %HRpeak at LT1. l %HRpeak at LT2. Data are presented at mean (SD) with individual points overlaid. Within each group, numbers refer to the same participant in each figure. Asterisk (*) indicates significantly greater than the identified group, P < 0.05.