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Effect of hypercapnia on self-sustained muscle activity

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Title: Effect of hypercapnia on self-sustained muscle activity
Authors: Hatano, Kei Browse this author
Shirakawa, Kazuki Browse this author
Usuda, Noboru Browse this author
Matsuura, Ryouta Browse this author →KAKEN DB
Ohtsuka, Yoshinori Browse this author →KAKEN DB
Yunoki, Takahiro Browse this author →KAKEN DB
Keywords: Hypercapnia
Central chemoreceptor
Self-sustained muscle activity
Plateau potentials
Issue Date: Apr-2018
Publisher: Elsevier
Journal Title: Respiratory physiology & neurobiology
Volume: 250
Start Page: 24
End Page: 30
Publisher DOI: 10.1016/j.resp.2018.02.002
PMID: 29428556
Abstract: The aim of the present study was to determine the effect of hypercapnia on motor neuromuscular activity of the human triceps surae muscle. Nine subjects participated in trials in a normal breathing condition and a CO2 rebreathing condition. In both conditions, in order to provoke self-sustained muscle activity, percutaneous electrical train stimulation was applied to the tibial nerve while each subject lay on a bed. Self-sustained muscle activity, which is an indirect observation of plateau potentials in spinal motoneurons, was measured for 30 s after the train stimulation by using surface electromyography. The sustained muscle activity was increased by CO2 rebreathing (P < 0.05). This finding suggests that motor neuromuscular activity may be linked to the respiratory system that is activated during hypercapnia.
Rights: © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:教育学院・教育学研究院 (Graduate School of Education / Faculty of Education) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柚木 孝敬

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