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. 2019 Jul 29;16:99. doi: 10.1186/s12984-019-0553-5

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Left: COP-based variables during FSEO, FSEC, FTEO, and FTEC in the RAGT+CPT and CPT+CPT groups. Right: Four weeks COP-based variables change from baseline during FSEO, FSEC, FTEO, and FTEC. (A) COP Vel_ML, (B) COP Vel_AP, and (C) COP area. The error bars mean standard errors. COP: center of pressure; CPT: conventional physical therapy; FSEC: feet separated, eyes closed; FSEO: feet separated, eyes open; FTEC: feet together, eyes closed; FTEO: feet together, eyes open; RAGT: robot-assisted gait training; Vel_AP: velocity in the anteroposterior direction; Vel_ML: velocity in the mediolateral direction