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. 2021 Mar 11;10(6):1167. doi: 10.3390/jcm10061167

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Walking distance. The average walking distance (bold black line) increased in both the LT + TSS_sham (left) and LT + TSS (center) groups over time. Note that the colored lines represent the average walking distance of individual participants. The change in mean walking distance calculated from the start and end of each 2-week LT bout (T1 to T2, T3 to T4; right) showed significant improvements in the LT + TSS_sham group during the wash-in phase; whereas the LT + TSS group showed significant improvements during the intervention phase. W: Wash-in; I: Intervention. Error bars represent standard errors; * p < 0.05.