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Facilitation of motor cortex excitability induced by remote muscle contraction Takayuki Tabira 1 , Kana Kusano 2 , Toshio Higashi 3 , Atsushi Sakakibara 4 , Kozo Funase 3 1Department of Occupational Therapy, School of Health Sciences, International University of Health and Welfare 2Nagasaki Kita Hospital 3School of Allied Medical Sciences, Nagasaki University 4University Hospital Attached to School of Medicine, Nagasaki University Keyword: (遠隔筋収縮) , (運動誘発電位) , (皮質興奮性) , (促通) , (経頭蓋的磁気刺激) , Remote muscle contraction , MEP , Cortical excitability , Facilitation , Transcranial magnetic stimulation pp.465-471
Published Date 2001/10/15
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 We examined the effect of remote muscle contraction (knee extensors) on the motor evoked potential (MEP) recorded from the first dorsal interosseous muscle (FDI) evoked by the transcranial magnetic stimulation in 10 normal subjects.

 MEP amplitudes were significantly increased with regard to the intensity of remote muscle contractions. However, there was no significant difference in MEP amplitude between the ipsilateral and contra-ateral remote muscle contraction. We suggested, therefore, that the muscle afferents, increased by remote muscle contraction, are bilaterally integrated at the cortex level.


Copyright © 2001, Japanese Association of Occupational Therapists. All rights reserved.

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電子版ISSN 印刷版ISSN 0289-4920 日本作業療法士協会

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