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Relationship Between Maximal Oxygen Uptake and Oxygenation Level in Inactive Muscle at Exhaustion in Incremental Exercise in Humans

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Title: Relationship Between Maximal Oxygen Uptake and Oxygenation Level in Inactive Muscle at Exhaustion in Incremental Exercise in Humans
Authors: YANO, T. Browse this author
HORIUCHI, M. Browse this author
YUNOKI, T. Browse this author
MATSUURA, R. Browse this author
OGATA, H. Browse this author
Keywords: Oxygenation
Inactive muscle
Incremental exercise
Maximal oxygen uptake
Issue Date: 2005
Publisher: Institute of Physiology, Czech Academy of Sciences
Journal Title: Physiological Research
Volume: 54
Start Page: 679
End Page: 685
Abstract: The aim of the present study was to determine whether the oxygenation level in an inactive muscle during an incremental exercise test, determined by near-infrared spectroscopy, influences the maximal oxygen uptake (V .o2max). The oxygenation level at the onset of incremental exercise was higher than that at rest and started to decrease at a high power output. A minimal level was observed at exhaustion during incremental exercise. V.o2 increased linearly after some delay, and the rate of increase in V.o2 was greater at a higher power output. Heart rate increased linearly after the time delay, and the rate of increase in heart rate did not change. There was a significant correlation between V.o2max and oxygenation level in inactive muscle at exhaustion (r = -0.89). We therefore concluded that the oxygenation level in inactive muscle at exhaustion during incremental exercise is associated with an individual difference in V.o2max.
Type: article
URI: http://hdl.handle.net/2115/51988
Appears in Collections:教育学院・教育学研究院 (Graduate School of Education / Faculty of Education) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 矢野 徳郎

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