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Article dans une revue
Muscle strength and metabolism in master athletes
Abstract : Knee extensor muscle strength and metabolism were examined in endurance trained young versus master athletes (10 elderly: 63.1 ± 2.3 yr and 10 young : 28.7 ± 3.2 yr). Before and immediately after a resistance strength training (RST) session, subjects performed maximal isometric voluntary contraction (MVC) and a 10-min cycling test at a moderate intensity. During MVC, evoked contractions of the knee extensor muscles were performed to assess neuromuscular properties. Metabolism was assessed using oxygen uptake kinetics model. Before the RST session, master athletes show lower knee extensors MVC than young subjects without any difference in oxygen uptake kinetics. After the RST session, a similar effect of fatigue was observed on muscular properties and oxygen uptake kinetics whatever the group. Our results suggest the ability of master athletes to perform exercise at a given intensity is maintained despite a significant loss in strength with ageing.
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https://hal-insep.archives-ouvertes.fr/hal-01713200
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Soumis le : mardi 20 février 2018 - 12:06:54
Dernière modification le : lundi 25 avril 2022 - 14:24:01
Archivage à long terme le : : lundi 21 mai 2018 - 12:33:20
Contributeur : Documentation Insep Connectez-vous pour contacter le contributeur
Soumis le : mardi 20 février 2018 - 12:06:54
Dernière modification le : lundi 25 avril 2022 - 14:24:01
Archivage à long terme le : : lundi 21 mai 2018 - 12:33:20
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