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Effects of deception for intensity on surface electromyogram (SEMG) activity and blood lactate concentration during intermittent cycling followed by exhaustive cycling

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/52747

Title: Effects of deception for intensity on surface electromyogram (SEMG) activity and blood lactate concentration during intermittent cycling followed by exhaustive cycling
Authors: Matsuura, R. Browse this author
Arimitsu, T. Browse this author
Yunoki, T. Browse this author
Kimura, T. Browse this author
Yamanaka, R. Browse this author
Yano, T. Browse this author →KAKEN DB
Keywords: surface electromyogram
intermittent cycling exercise
deception
exercise intensity
central nervous system
anticipation
Issue Date: Mar-2013
Publisher: Akadémiai Kiadó
Journal Title: Acta Physiologica Hungarica
Volume: 100
Issue: 1
Start Page: 54
End Page: 63
Publisher DOI: 10.1556/APhysiol.100.2013.1.5
Abstract: The purpose of the present study was to determine the effects of deception for exercise intensity on surface electromyogram (SEMG) activity and blood lactate concentration during intermittent cycling exercise (ICE) tests. Sixteen healthy male were randomly assigned to two groups who completed two ICE [three 4-min cycling at 80% peak power output (PPO) with 3-min passive recovery periods followed by exhaustive cycling] tests (ICE-1 and ICE-2). The experimental group (ICED) was deceived of the actual cycling intensity, while the control group (ICEC) was informed of the actual protocol in ICE-2. In ICE-1, both groups were informed of the actual protocol. In ICE-2, root mean square (RMS) calculated from SEMG during submaximal cycling was significantly higher in the ICEC than in the ICED and blood lactate concentration ([La]) was significantly higher in the ICEC than in the ICED. In particular, the difference in RMS between the groups was also observed during the first 4-min cycling, in which there was no difference in [La-] between the groups. These results suggest that the CNS modulates skeletal muscle recruitment due to the prior deception for exercise intensity.
Type: article (author version)
URI: http://hdl.handle.net/2115/52747
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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