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http://ir.jwcpe.ac.jp/dspace/handle/123456789/1134
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Title: | 事前運動が最大強度運動時における2つの筋脱酸素化パラメータに及ぼす影響 |
Other Titles: | Differential effects of prior exercise on two muscle deoxygenation parameters during maximal exercise |
Authors: | 大澤, 拓也 塩瀬, 圭佑 髙橋, 英幸 Osawa, Takuya Shiose, Keisuke Takahashi, Hideyuki オオサワ, タクヤ シオセ, ケイスケ タカハシ, ヒデユキ Faculty of Sports and Health Sciences, Japan Women’s College of Physical Education Faculty of Sports and Health Science, Fukuoka University Department of Sports Science, Japan Institute of Sports Science |
Keywords: | Near-infrared spectroscopy Working muscle Cycling |
Issue Date: | Mar-2019 |
Abstract: | The purpose of this study was to investigate that the effects of prior exercise on two
muscle deoxygenation parameters during maximal exercise were different. Seven active
male volunteers (24±3 years) performed a heavy intermittent exercise test, composed
of a 1-min maximal exercise (M-1), a 6-min exercise at the intensity of 65-70% of maximal
oxygen uptake, and a 1-min maximal exercise (M-2), separated by 4-min rests. The
changes of deoxygenated hemoglobin and myoglobin (d-HHb) and tissue oxygen saturation
(d-StO2), assessed by near-infrared continuous-wave and spatially-resolved spectroscopies,
respectively, were monitored from the vastus lateralis continuously. The d-
HHb increased and the d-StO2 decreased during both M-1 and M-2 exercises. Compared
to the M-1 exercise, d-StO2 was higher throughout the M-2 exercise (P<0.01), but
not d-HHb (N.S.). These results suggest that, during 1-min maximal exercise, the d-StO2
was partially attenuated by the prior exercise-induced vasodilation, but not the d-HHb. |
URI: | http://ir.jwcpe.ac.jp/dspace/handle/123456789/1134 |
ISSN: | 09183825 |
Appears in Collections: | No.28
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