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. 2021 Dec 2;9:774771. doi: 10.3389/fbioe.2021.774771

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Copyright © 2021 Kuo, Chen, Wang, Ho and Lu.

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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Means (standard deviations) of the best-compromise weighting sets (W₁*, W₂*, W₃*), corresponding to the objective functions of mechanical energy expenditure, heel-obstacle clearance, and toe-obstacle clearance of the MOOC problem, for the TCC and Control groups when crossing obstacles of three different heights: 10% (white), 20% (grey) and 30% (black) of individual subject’s leg length (LL). P-values for the main effects are also given (P_g: group effects; P_h: height effects). +: statistically significant differences between groups (p < 0.05).