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Excessive oxygen Uptake during Exercise and Recovery in Heavy Exercise

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/51989

Title: Excessive oxygen Uptake during Exercise and Recovery in Heavy Exercise
Authors: YANO, T. Browse this author
YUNOKI, T. Browse this author
MATSUURA, R. Browse this author
ARIMITSU, T. Browse this author
KIMURA, T. Browse this author
Keywords: Excessive oxygen uptake
Time constant
Heavy exercise
Moderate exercise
Issue Date: 2007
Publisher: Institute of Physiology, Czech Academy of Sciences
Journal Title: Physiological Research
Volume: 56
Start Page: 721
End Page: 725
Abstract: The aim of this study was to determine whether excessive oxygen uptake (V.o2) occurs not only during exercise but also during recovery after heavy exercise. After previous exercise at zero watts for 4 min, the main exercise was performed for 10 min. Then recovery exercise at zero watts was performed for 10 min. The main exercises were moderate and heavy exercises at exercise intensities of 40 % and 70 % of peak V.o2, respectively. V.o2 kinetics above zero watts was obtained by subtracting V.o2 at zero watts of previous exercise (ΔV.o2). Δ V.o2 in moderate exercise was multiplied by the ratio of power output performed in moderate and heavy exercises so as to estimate the Δ V.o2 applicable to heavy exercise. The difference between Δ V.o2 in heavy exercise and Δ V .o2 estimated from the value of moderate exercise was obtained. The obtained V.o2 was defined as excessive V .o2. The time constant of excessive V.o2 during exercise (1.88±0.70 min) was significantly shorter than that during recovery (9.61±6.92 min). Thus, there was excessive V.o2during recovery from heavy exercise, suggesting that O2/ATP ratio becomes high after a time delay in heavy exercise and the high ratio continues until recovery.
Type: article
URI: http://hdl.handle.net/2115/51989
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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