20908 ヒトの三叉神経反射時におけるヒラメ筋伸張反射変調(OS9 バイオエンジニアリング(2),オーガナイズドセッション)

概要

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It is known that cooling face causes the response of bradycardia that called "oxygen reserve reflex", "trigeminal reflex" and "diving reflex". Previous studies had investigated the modulation of the stretch reflex of the soleus muscle in conditions with increasing heart rate, but not decreasing. The purpose of this study was to determine how stretch reflex amplitude in the soleus muscle is modulated by facial cooling which decreases heart rate more than the resting conditions. Thirteen subjects with normal healthy participated in this study. We tested die modulation of the stretch reflex of the soleus muscle by mental arithmetic task and facial cooling task. These tasks were set to increase heart rate and to decrease, respectively. Stretch reflex was increased during mental arithmetic task with increases in heart rate, but it did not change during facial cooling task with decreases in heart rate. These results suggest that the pattern of stretch reflex amplitude is not necessarily consistent with the pattern of heart rate.
一般社団法人日本機械学会の論文
2010-03-09