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. 2017 Apr 19;11:190. doi: 10.3389/fnhum.2017.00190

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Copyright © 2017 dos Anjos, Pinto, Gazzoni and Vieira.

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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Age-related differences in the ankle muscles' activity during standing. Boxplots in (A) show the relative period within which, during standing, young (white boxes) and elderly (gray boxes) individuals activated their ankle muscles. Group data in (B) corresponds to the normalized, RMS amplitude obtained for both groups from the medial gastrocnemius and from the medial and lateral soleus portions. The proximo-distal size of medial gastrocnemius region over which largest EMGs were detected in both groups is shown in (C). Asterisks indicate significant differences between groups (P < 0.05).