| Project/Area Number |
20300202
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Physical education
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| Research Institution | Hiroshima University |
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Principal Investigator |
MATSUKAWA Kanji Hiroshima University, 大学院・保健学研究科, 教授 (90165788)
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| Co-Investigator(Kenkyū-buntansha) |
SADAMOTO Tomoko 日本女子体育大学, 体育学部, 教授 (30201528)
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| Research Collaborator |
LIANG Nang 広島大学, 大学院・保健学研究科, 助教 (70512515)
NAKAMOTO Tomoko 広島大学, 大学院・保健学研究科, 大学院生
KASHIMA Eri 広島大学, 大学院・保健学研究科, 大学院生
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥19,630,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥4,530,000)
Fiscal Year 2010: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2009: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
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| Keywords | 筋受容器反射 / 心循環調節 / 筋機械受容器 / 筋代謝受容器 / セントラルコマンド / 覚醒状態 / 睡眠状態 / 覚醒睡眠サイクル |
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| Research Abstract |
The present study has revealed that central command, originating from higher brain centers, plays an important role in controlling the cardiovascular system during voluntary exercise in daily life. In particular, the cardiovascular control by central command is prominent during flexion than extension movement. On the other hand, exercise pressor reflex originating from contacting skeletal muscles are suppressed in the conscious condition. However, muscle mechano- and metaboreflex become evident during sleep or anesthesia, suggesting that an inhibition of higher brain activity facilitates exercise pressor reflex. The brain serotonergic receptor system (especially, 5-HT_<1A> receptors) may be involved in the facilitation of the exercise pressor reflex.
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