Effect of blood lactate concentration and the level of oxygen uptake immediately before a cycling sprint on neuromuscular activation during repeated cycling sprints
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概要
- 論文の詳細を見る
平成18年度日本生理人類学会奨励賞受賞The purpose of this study was to determine whether neuromuscular activation is affected by blood lactate concentration (La) and the level of oxygen uptake immediately before a cycling sprint (preVO2). The tests consisted of ten repeated cycling sprints for 10 sec with 35-sec (RCS35) and 350-sec recovery periods (RCS350). Peak power output (PPO) was not significantly changed despite an increase in La concentration up to 12 mmol/L in RCS350. Mean power frequency (MPF) of the power spectrum calculated from a surface electromyogram on the vastus lateralis showed a significantly higher level in RCS350. In RCS35, preVO2 level and La were higher than those in RCS350 in the initial stage of the RCS and in the last half of the RCS, respectively. Thus, neuromuscular activation during exercise with maximal effort is affected by blood lactate concentration and the level of oxygen uptake immediately before exercise, suggesting a cyclic system between muscle recruitment pattern and muscle metabolites.
- 日本生理人類学会の論文
著者
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YANO Tokuo
Laboratory of Exercise Physiology,Graduate School of Education, Hokkaido University
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YUNOKI Takahiro
Laboratory of Human Movement Sciences, Faculty of Education, Hokkaido University
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Yunoki T
Graduate School Of Education Hokkaido University
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Yano Tokuo
Laboratory Of Exercise Physiology Graduate School Of Education Hokkaido University
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Ogata Hisayoshi
Laboratory Of Exercise Physiology Graduate School Of Education Hokkaido University
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Yunoki Takahiro
Graduate School Of Education Hokkaido University
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Yunoki Takahiro
Laboratory Of Exercise Physiology Graduate School Of Education Hokkaido University
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MATSUURA Ryouta
Laboratory of Exercise Physiology, Graduate School of Education, Hokkaido University
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ARIMITSU Takuma
Laboratory of Exercise Physiology, Graduate School of Education, Hokkaido University
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Arimitsu Takuma
Laboratory Of Exercise Physiology Graduate School Of Education Hokkaido University
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Matsuura Ryouta
Laboratory Of Exercise Physiology Graduate School Of Education Hokkaido University
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Ogata H
Laboratory Of Exercise Physiology Graduate School Of Education Hokkaido University
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Yano Tokuo
Exercise Physiology Graduate School Of Education Hokkaido University
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