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. 2021 Jul 20;11:14749. doi: 10.1038/s41598-021-94201-9

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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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Spatial and temporal modules and task-dependent variables. Spatial (A) and temporal (B) modules and corresponding task-dependent variables (C) extracted from the EMG data tensor at Fr ~ 0.25 are shown. λ denotes the scaling factor. Each circle of the task-dependent variables indicates the data for individual participants. The mean and standard error of the means are represented as horizontal and vertical lines of a coloured crossed line in each gravity level. Symbols (*, #) indicate a significant difference in the task-dependent variables between a gravity condition of 1 g and the other gravity levels; *p < 0.05, **p < 0.01 and ^#p < 0.001.