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. 2016 Oct 11;13(10):1001. doi: 10.3390/ijerph13101001

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© 2016 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Different velocities with different SMA values. (A) SMA values during walking on the treadmill at velocities from 1 to 7 km/h; (B) SMA values during running on the treadmill at velocities from 6 to 9 km/h.