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. 2016 Nov 8;7:530. doi: 10.3389/fphys.2016.00530

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Copyright © 2016 Vernillo, Savoldelli, Skafidas, Zignoli, La Torre, Pellegrini, Giardini, Trabucchi, Millet and Schena.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Differences in gross (A), and net (B) energy cost before (PRE) and after (POST) the MUM (n = 19). ^*P < 0.05, ^#P < 0.01; †P < 0.001. C_uw: Walking at 5 km·h⁻¹ and +20%. C_ugr: Grounded running at 6 km·h⁻¹ and +15%. C_ur: Running at 8 km·h⁻¹ and +10%.