Effects of Room Temperature and Body Position Change on Cerebral Blood Volume and Center-of-foot Pressure in Healthy Young Adults
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概要
- 論文の詳細を見る
This study aimed to examine the effects of room temperature and body position changes on cerebral blood volume, blood pressure and center-of-foot pressure (COP). Cerebral oxygenation kinetics and blood pressure were measured by near infrared spectroscopy (NIRS) and volume-compensation, respectively, in 9 males and 9 females after rapid standing from sitting and supine positions in low (12℃) or normal (22℃) room temperatures. COP was also measured in a static standing posture for 90s after rapid standing. The total hemoglobin (Hb) decreased just after standing. Blood pressure after standing at normal temperature tended to decrease immediately but at low temperature tended to decrease slightly and then to increase greatly. The decreasing ratio of total Hb and blood pressure upon standing from a supine position at normal room temperatures was the largest of any condition. Total Hb recovered to a fixed level approximately 25sec after standing from a sitting position and approximately 35sec after standing from a supine position. All COP parameters after standing tended to change markedly in the supine position compared to the sitting position, especially at normal temperatures. The COP parameters after standing in any condition were not significantly related to the decreasing ratio of total Hb but were related to the recovery time of total Hb after standing. In conclusion, decreasing ratios of total Hb and blood pressure after standing from a supine position at normal temperatures were large and may affect body sway.
- 日本生理人類学会の論文
著者
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Demura Shinichi
Kanazawa Univ. Graduate School Of Natural Sci. & Technol.
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Yamada Takayoshi
Fukui National College Of Technology
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Yamaji Shunsuke
University Of Fukui
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Yamaji Shunsuke
University Of Fukui Faculty Of Medical Science Morphological And Physiological Sciences Sports Medic
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Yamaji Shunsuke
Fukui National College Of Technology
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Demura Shinichi
Department Of Physical Education Kanazawa University
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Demura S
Graduate School Of Natural Science & Technology Kanazawa University
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Demura Shin-ichi
Department Of Physical Education Kanazawa University
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UCHIYAMA MASANOBU
Kanazawa College of Art
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Kitabashi Tamotsu
Yonago National College of Technology
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Kitabayashi Tamotsu
Yonago National College of Technology
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Demura Shinichi
Kanazawa University
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Uchiyama Masanobu
Kanazawa Coll. Of Art
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Yamaji Shunsuke
University Fukui Faculty Of Medical Sciences
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