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Effect of change in blood volume in skin plus active muscle on heart rate drift during submaximal exercise

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Title: Effect of change in blood volume in skin plus active muscle on heart rate drift during submaximal 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: heart rate
muscle and heart pumping
total Hb
near-infrared spectroscopy
Issue Date: 2008
Publisher: Akademiai Kiado
Journal Title: Acta Physiologica Hungarica
Volume: 95
Issue: 4
Start Page: 327
End Page: 336
Publisher DOI: 10.1556/APhysiol.95.2008.4.1
PMID: 19009909
Abstract: The purpose of the present study was to examine the effect of change in blood volume in skin plus active muscle on heart rate drift during moderate exercise and heavy exercise for 30 min. Total hemoglobin concentration (Total Hb) in the vastus lateralis muscle plus its skin was determined by near-infrared spectroscopy. Total Hb significantly increased and remained stable from 20 min in moderate exercise and from 10 min in heavy exercise. Heart rate (HR) rapidly increased until 3 min and showed a steady state in moderate exercise. HR at 30 min was significantly higher than that at 3 min in moderate exercise. HR rapidly increased until 3 min and then gradually but significantly increased in heavy exercise. Increase in total Hb was not significantly related with HR after 3 min of exercise when HR was around 120 beats per min in moderate exercise. Increase in total Hb was significantly related with HR from 3 min to 10 min in the heavy exercise (correlation coefficients ranged from 0.959 to 0.702). It is concluded that an increase in the blood volume in skin plus active muscle is not simply associated with HR drift.
Type: article (author version)
URI: http://hdl.handle.net/2115/51841
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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