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. 2016 Aug 27;17(1):372. doi: 10.1186/s12891-016-1209-2

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© The Author(s). 2016

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 — The relationship between the change in WOMAC pain (following the intervention) and the change in a) lateral and b) medial co-contraction during the pre-contact phase. The filled circle shows the outlying data point