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Article

Temporal Changes in Electromyographic Activity and Gait Ability during Extended Walking in Individuals Post-Stroke: A Pilot Study

1
Department of Rehabilitation, Faculty of Health Science, Fukui Health Science University, Fukui 910-3190, Japan
2
Department of Legal Medicine, Shiga University of Medical Science, Shiga 520-2192, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: Jerónimo González-Bernal and Raúl Soto-Cámara
Healthcare 2021, 9(4), 444; https://doi.org/10.3390/healthcare9040444
Received: 6 February 2021 / Revised: 29 March 2021 / Accepted: 8 April 2021 / Published: 10 April 2021
(This article belongs to the Special Issue Consequences of Stroke)
Abnormal gait, particularly in patients with stroke, causes neuromuscular fatigue. We aimed to clarify temporal changes in gait performance and lower limb muscle activity during extended walking in people with stroke hemiplegia. Twelve adults with stroke and eleven healthy controls performed an extended trial involving 20-min continuous walk at a comfortable speed. The primary outcome was electromyography amplitude during the trial and secondary outcomes were walking performance and the instantaneous mean frequency of electromyography during the trial. Data at 1, 6, 12, and 18 min after initiating walking were compared. Performance during extended walking in people with stroke was maintained over time. The electromyography amplitude decreased in the tibialis anterior during the pre-swing phase and increased in the rectus femoris during the single-support phase over time; these changes were similar on the paretic and nonparetic sides. Instantaneous mean frequency decreased over time on the nonparetic side in the tibialis anterior and on the paretic side in the rectus femoris. Healthy subjects did not show any changes over time. The changes in muscle activity in patients with stroke differed between the paretic and nonparetic sides, muscle type, and gait phase; walking performance was maintained despite being affected by neuromuscular fatigue. View Full-Text
Keywords: electromyography; stroke; temporal endurance; muscle activity electromyography; stroke; temporal endurance; muscle activity
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MDPI and ACS Style

Fujita, K.; Kobayashi, Y.; Hitosugi, M. Temporal Changes in Electromyographic Activity and Gait Ability during Extended Walking in Individuals Post-Stroke: A Pilot Study. Healthcare 2021, 9, 444. https://doi.org/10.3390/healthcare9040444

AMA Style

Fujita K, Kobayashi Y, Hitosugi M. Temporal Changes in Electromyographic Activity and Gait Ability during Extended Walking in Individuals Post-Stroke: A Pilot Study. Healthcare. 2021; 9(4):444. https://doi.org/10.3390/healthcare9040444

Chicago/Turabian Style

Fujita, Kazuki, Yasutaka Kobayashi, and Masahito Hitosugi. 2021. "Temporal Changes in Electromyographic Activity and Gait Ability during Extended Walking in Individuals Post-Stroke: A Pilot Study" Healthcare 9, no. 4: 444. https://doi.org/10.3390/healthcare9040444

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