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. 2016 Feb 1;10:18. doi: 10.3389/fnhum.2016.00018

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Copyright © 2016 Šambaher, Aboodarda and Behm.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and 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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Maximal voluntary contractions (MVC) force and biceps brachii electromyographic (EMG). Group data are expressed as means ± SE and normalized to pre-test. (A) Arm MVC force normalized to pre-test. ‡Indicates that MVC force was significantly lower in the intervention condition compared with control condition (p < 0.001). *Indicates that MVC force significantly and progressively decreases from repetition #1 until repetition #12 (p < 0.001). (B) EMG activity of the biceps brachii muscle measured 50 ms before motor evoked potentials (MEPs). *Indicates that biceps brachii EMG activity was significantly lower at repetition #9 and #12 compared with repetition #1, #3 and #6 (p < 0.04).