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. 2022 Nov 21;10:1051747. doi: 10.3389/fbioe.2022.1051747

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Copyright © 2022 Cheng, Zeng, Lai and Zhang.

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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Mean curves of the COP_ML coordinates during running. Medial displacements of the COP_ML were expressed as positive values. H0, H4, and H8 represented the mean data of arch supports of three different heights; W0, W3, and W6 represented the mean data of arch supports of three different widths. Four subphases are indicated with vertical dash lines on the x-axis. ICP, initial contact phase; FFCP, forefoot contact phase; FFP, foot flat phase; FFPOP, forefoot push off phase; IFC, initial foot contact; IMC, initial metatarsal contact; FFC, forefoot contact; HO, heel-off; TO, toe-off.