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. 2015 Aug 19;16:198. doi: 10.1186/s12891-015-0655-6

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© Murray et al. 2015

Open Access This 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. 2 — Conditioning exercises for the neck. Conditioning exercises for the deep cervical flexors (Exercise 1 a + b) and co-contraction between cervical flexor and extensor muscles of the neck (Exercise 2 a + b)