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. 2017 Jul 11;8:1053. doi: 10.3389/fpsyg.2017.01053

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Copyright © 2017 Gorman, Dunbar, Grimm and Gipson.

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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(A) A highly skilled Double Dutch team at the National Double Dutch League summer camp; (B) performance of a 7:5 (foot:rope) ratio by the team (from Gorman et al., 2017; reprinted with permission).