| Transcranial magnetic stimulation with the maximum voluntary muscle contraction facilitates motor neuron excitability and muscle force. | |
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MedLine Citation:
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PMID: 22548169 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Three trials of transcranial magnetic stimulation (TMS) during the maximum voluntary muscle contraction (MVC) were repeated at 15-minute intervals for 1 hour to examine the effects on motor evoked potentials (MEPs) in the digital muscles and pinching muscle force before and after 4 high-intensity TMSs (test 1 condition) or sham TMS (test 2 condition) with MVC. Under the placebo condition, real TMS with MVC was administered only before and 1 hour after the sham TMS with MVC. Magnetic stimulation at the foramen magnum level (FMS) with MVC was performed by the same protocol as that for the test 2 condition. As a result, MEP sizes in the digital muscles significantly increased after TMS with MVC under test conditions compared with the placebo conditions (P < 0.05). Pinching muscle force was significantly larger 45 minutes and 1 hour after TMS with MVC under the test conditions than under the placebo condition (P < 0.05). FMS significantly decreased MEP amplitudes 60 minutes after the sham TMS with MVC (P < 0.005). The present results suggest that intermittently repeated TMS with MVC facilitates motor neuron excitabilities and muscle force. However, further studies are needed to confirm the effects of TMS with MVC and its mechanism. |
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Authors:
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Tetsuo Touge; Yoshiteru Urai; Kazuyo Ikeda; Kodai Kume; Kazushi Deguchi |
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Publication Detail:
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Type: Journal Article Date: 2012-03-20 |
Journal Detail:
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Title: Neurology research international Volume: 2012 ISSN: 2090-1860 ISO Abbreviation: Neurol Res Int Publication Date: 2012 |
Date Detail:
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Created Date: 2012-05-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101543314 Medline TA: Neurol Res Int Country: United States |
Other Details:
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Languages: eng Pagination: 847634 Citation Subset: - |
Affiliation:
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Health Sciences, School of Nursing, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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