ヤマナカ　ケンタロウ    YAMANAKA Kentarou
   山中 健太郎
   所属
食健康科学部 健康デザイン学科
 
生活機構研究科 生活科学研究専攻
 
生活機構研究科 生活機構学専攻
 
女性健康科学研究所 所属教員
   職種
教授
言語種別 日本語
発行・発表の年月 1999/05
形態種別 学術雑誌
標題 The effects of long-term bed rest on H-reflex and motor evoked potential in the human soleus muscle during standing
執筆形態 共著
掲載誌名 Neuroscience Letters
出版社・発行元 Elsevier
巻・号・頁 266(2),101-104頁
著者・共著者 Yamanaka K. Yamamoto S. Nakazawa K. Yano H. Suzuki Y. and Fukunaga T.
概要 H-reflex and motor evoked potential (MEP) induced by transcranial magnetic stimulation (TMS) in soleus muscle of five normal subjects were investigated before and after 20 days 68 head-down bed rest (BR). Soleus H-reflex during standing following bed rest decreased in all five subjects. The size of the maximum H-reflex (Hmax), expressed as a percentage of the maximum M-response (Mmax), decreased from 63.3 +/- 23.3% before BR to 26.7 +/- 12.5% after BR. However, there were no significant differences between MEPs before and after bed rest. Moreover, MEP/Hmax after bed rest was larger than before bed rest in all subjects. These results indicate a strong inhibition of H-reflex and no adaptation of MEP in soleus muscle during standing following bed rest.
DOI 10.1016/S0304-3940(99)00284-0