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. 2014 Nov 6;11(100):20140698. doi: 10.1098/rsif.2014.0698

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© 2014 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 6. — Evolution of the contact area with tangential force. (a) Typical traces for each direction from subject S2. Dots are data and lines represent best fit. Mean of best-fit parameters to equation (3.1), (b) α, (c) F₀ and (d) coefficient of determination R² pooled across all trials. Error bars correspond to standard error. Colours represent directions.