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. 2021 Sep 2;8:232. doi: 10.1038/s41597-021-01014-6

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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 — Frequency distribution of age, body mass, body height, and walking speed for all (upper panel), female (middle panel), and male (lower panel) participants. The distributions are based on the values of the initial session of each participant. For the waking speed, the mean values of the gait trials of the initial session are shown.