Assessment of Long-distance Running Performance in Elite Male Runners Using Onset of Blood Lactate Accumulation
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概要
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The purpose of this study was to evaluate the relationship between onset of blood lactate accumulation (OBLA) and long-distance running performance in order to examine whether OBLA can be a good predictor of long-distance running performance even in elite male runners with similar performance levels. Eleven highly-trained male long-distance runners participated in this study. The average running velocities of the individuals' running performance were 5.918 ± 0.084 m・s^<-1> and 5.672 ± 0.095 m・s^<-1> for 5000 m (V_<5000>) and 10000 m (V_<10000>), respectively. The blood lactate concentrations and heart rate responses were measured immediately after field running, and the average value of running velocity corresponding to OBLA (V_<OBLA>) was 5.447 ± 0.132 m・s^<-1>. Variations of these three velocities expressed as a coefficient of variance (CV) ranged from 1.4 to 2.4%. A strong inverse relationship between heart rate corresponding to OBLA (HR_<OBLA>) and performance was observed (r= -0.709, p<0.02 for V_<5000> and r= -0.830, p<0.01 for V_<10000>), while there was a lack of significant relationship between V_<OBLA> and performance (r=0.293, NS for V_<5000> and r=0.130, NS for V_<10000>). Furthermore, the average value of HR_<OBLA> obtained in this study (174.5 ± 8.2 b・min^<1->) was quite similar to that of the heart rate threshold reported by some previous researchers. In conclusion, V_<OBLA> alone could not explain the small variation of long-distance running performance, and HR_<OBLA> should be used in place of V_<OBLA> for evaluating long-distance running performance in elite runners with quite similar performance levels.
- 日本生理人類学会の論文
著者
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Abe Daijiro
Faculty Of Human Sciences University Of East Asia
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Abe Daijiro
Faculty Of Integrated Arts And Sciences Hiroshima University
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Miyake Katsuji
Department Of Sports Science Hiroshima University Of Economics
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Endo Masako
Faculty Of Environmental And Symbiotic Sciences Prefectural University Of Kumamoto
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TSUCHIMOCHI Hirotsugu
Department of Physiology, Institute of Health Sciences, Hiroshima University Faculty of Medicine
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Niihata Shigemitsu
Faculty Of Integrated Arts And Sciences Hiroshima University
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Niihata Shigemitsu
Faculty Of Wellbeing Science Fukuyama Heisei University
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Tsuchimochi Hirotsugu
Department Of Physiology Institute Of Health Sciences Hiroshima University Faculty Of Medicine
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Sakaguchi Yasushi
Chugoku Electric Power Corporation
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Tsuchimochi Hirotsugu
Faculty of Integrated Arts and Sciences, Hiroshima University
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Miyahiro Shigeo
Department of Sports Science, Hiroshima University of Economics
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Kanamaru Kimie
Hiroshima Women's Commercial College
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Kanamaru Kimie
Hiroshima Women's Commercial College
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Miyahiro Shigeo
Department Of Sports Science Hiroshima University Of Economics
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Sakaguchi Yasushi
Chugoku Electric Power Co. Ltd.
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