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. 2017 Jun 5;15(2):182–219. doi: 10.1177/1479972317709642

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work 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 6. — Effect of different exercise interventions on muscle mass in patients with COPD expressed as mean of relative change (percentage of baseline). T: thigh; LL: lower-limb; Q: quadriceps; RF: rectus femoris; IT: individualized training; NIT: non-individualized training; NMES: neuromuscular electrical stimulation; HIIT: high-intensity interval training; DEXA: dual energy x-ray absorptiometry; MRI: magnetic resonance imaging; CT: computed tomography; BIA: bioelectrical impedance analysis. ^#Significant change from baseline (within group effect: P < 0.05).