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. 2019 Mar 22;16:43. doi: 10.1186/s12984-019-0510-3

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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. 4 — Scaling and retention. a Indicates the change in fall percentage from pre-training to post-training and after 3 weeks of retest trials. Both groups demonstrated a significant reduction in the fall outcome from pre-training to retest trials. b Demonstrates the change in the number of compensatory steps taken. c Demonstrates the change in stability at touchdown. There was a significant scaling and retention effect noted in the stability of both the HFHI and LFLI groups. *, indicates a significant main effect of trial, and # indicates a significant main effect of group