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Age differences in human skeletal muscle fatigue during high-intensity intermittent exercise
被引:31
作者:
Ratel, S
Lazaar, N
Williams, CA
Bedu, M
Duché, P
机构:
[1] Univ Clermont Ferrand, UFR STAPS, Clermont Ferrand, France
[2] Univ Auvergne, Lab Interuniv Biol Act Phys & Sport, Clermont Ferrand, France
[3] Univ Auvergne, UFR Med, Clermont Ferrand, France
[4] Univ Exeter, Childrens Hlth & Exercise Res Ctr, Exeter, Devon, England
关键词:
children;
metabolism;
muscle fatigue;
recovery;
strenuous exercise;
D O I:
10.1080/08035250310005828
中图分类号:
R72 [儿科学];
学科分类号:
100202 ;
摘要:
It has been shown at similar relative work rates that children have higher resistance to fatigue than adults during repeated bouts of high-intensity exercise. This age-related difference in fatigue resistance may be explained by factors including muscle mass, muscle morphology, energy metabolism and neuromuscular activation. Conclusion: During high-intensity intermittent exercise, recovery periods play an important role in limiting fatigue. Age-related differences in fatigue resistance could also be explained by differences in the rates of resynthesis of some energetic substrates and the rates of removal of various muscle metabolites.
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页码:1248 / 1254
页数:7
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