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. 2022 Sep 27;10:965295. doi: 10.3389/fbioe.2022.965295

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Copyright © 2022 Chang, Chen, Shen, Wang, Huang, Qi and Niu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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sEMG values and results of one-way ANOVA during the four-point hand−knee kneeling positions, respectively. The negative value meant the vertebra rotates to the left, and the positive value meant the vertebra rotates to the right; RRA, right rectus abdominis; LRA, left rectus abdominis; REO, right external oblique; LEO, left external oblique; RES, right erector spinae; LES, left erector spinae; RMF, right lumbar multifidus; LMF, left lumbar multifidus. *: statistically significant, p < 0.05.