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. 2021 Apr 10;9(4):444. doi: 10.3390/healthcare9040444

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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 (https://creativecommons.org/licenses/by/4.0/).

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Temporal changes in electromyography amplitude during the extended walking test. Values are expressed as mean (standard deviation). (a) Tibialis anterior during the pre-swing phase; (b) rectus femoris during the single-support phase. The solid line represents the paretic side, the dotted line represents the nonparetic side, and the gray line represents healthy subjects. The EMG amplitude in the tibialis anterior during the pre-swing phase on the paretic side significantly decreased at 6 min and 18 min, and on the nonparetic side significantly decreased at 6 min and 18 min compared with that at 1 min. The amplitude in the rectus femoris during the single-support phase on the paretic side significantly increased at 18 min, and on the nonparetic side significantly increased at 18 min compared with that at 1 min.