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. 2020 Jul 7;8(7):2325967120932459. doi: 10.1177/2325967120932459

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Normalized electromyographic amplitudes of the infraspinatus muscle versus loads (isotonic exercise) or velocities (isokinetic exercise). ^†Statistically significant difference between the exercises. EMG, electromyography.