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.
引用
收藏
页码:1248 / 1254
页数:7
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