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. 2022 Jul 25;10(7):23259671221107343. doi: 10.1177/23259671221107343

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© The Author(s) 2022

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Definition of the ground-reaction forces (GRFs). The vertical GRF was defined as a vector perpendicular to the force plate in the total GRF. The horizontal GRF was defined as a mediolateral vector in the GRF, and the sagittal GRF was defined as an anteroposterior vector in the GRF.