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. 2022 Jan 7;8:788902. doi: 10.3389/frobt.2021.788902

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Copyright © 2022 Lee, Ahn, Kim, Bang and Sentis.

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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Snapshots of simulations for walking while an external force exists: (A) walking without the proposed gain adaptation, (B) walking with the online gain adaptation.