| Project/Area Number |
15H03079
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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 |
Sports science
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| Research Institution | Nagoya University |
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Principal Investigator |
Keisho Katayama 名古屋大学, 総合保健体育科学センター, 教授 (40343214)
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| Co-Investigator(Kenkyū-buntansha) |
石田 浩司 名古屋大学, 総合保健体育科学センター, 教授 (50193321)
齊藤 満 愛知学院大学, 心身科学部, 客員教授 (80126862)
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| Co-Investigator(Renkei-kenkyūsha) |
Saito Mitsuru 豊田工業大学, 名誉教授 (80126862)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
Fiscal Year 2017: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2016: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2015: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
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| Keywords | 呼吸筋 / 運動 / 筋交感神経活動 / 筋代謝受容器反射 / 血管運動神経活動 / 血圧 / 循環調節 / 代謝受容器反射 / 心肺圧受容器反射 / トレーニング / 心拍数 / 血流 / 筋交換神経活動 / 血圧調節 / 低酸素 |
|---|
| Outline of Final Research Achievements |
In this study, we attempted to clarify the effects of respiratory muscle activation on cardiovascular regulation. Study 1: Significant increases in arterial blood pressure and sympathetic vasomotor outflow appeared during exercise with expiratory resistance. Study 2: The increase in arterial blood pressure (ABP) during hyperpnoea was lower in young men compared to men. Study 3: During leg cycling with inspiratory resistive breathing, sympathetic vasomotor outflow was increased, accompanied by an increase in ABP. Young women, compared with age-matched men, had less of an increase in ABP. These results suggest that the attenuated inspiratory muscle-induced metaboreflex during exercise in young women could be attributed, in part, to a lesser sympathetic vasomotor outflow.
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