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. 2015 Sep 5;17(1):240. doi: 10.1186/s13075-015-0733-z

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© Erwin et al. 2015

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. 1 — Robotic biomechanical setup for intervertebral disc (IVD) motion segments. a and b Potted IVD motion segment mounted upon the robotic platform. c The rotational axis x, y and z reflect the three dimensions of movement afforded by biomechanical testing