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. 2021 Mar 16;18:48. doi: 10.1186/s12984-021-00841-3

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. 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 in a credit line to the data.

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Fig. 3 — Mean score on arm function measurements over time for the primary outcome Wolf Motor Function (a) and secondary outcomes Fugl-Meyer Assessment-Upper Extremity and Action Research Arm Test (b and c). ARAT Action Research Arm Test, FMA-UE Fugl-Meyer Assessment-Upper Extremity, WMFT Wolf Motor Function Test. T0 = baseline, T1 = 6 weeks after baseline, pre-intervention, T2 = post-intervention, T3 = 6 weeks after intervention. * = p < 0.008, ** = p < 0.001. Thick black line = mean; grey striped/dotted lines: individual data. Vertical bars represent standard deviation, N = 12