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. 2015 Oct 27;6:301. doi: 10.3389/fphys.2015.00301

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Copyright © 2015 Porta, Faes, Marchi, Bari, De Maria, Guzzetti, Colombo and Raimondi.

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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The grouped bargraph shows the SE_HP (white bars) and JTE_{SAP, R → HP} (black bars) assessed at REST and during HDT. SE_HP and JTE_{SAP, R → HP} are the two terms of the PE_HP decomposition according to Equation (20). The values are reported as mean plus standard deviation. The symbol * indicates a significant difference between experimental conditions within the same index, while the symbol # indicates a significant difference between indexes within the same experimental condition with p < 0.05.