Lack of muscle fibre hypertrophy, myonuclear addition, and satellite cell pool expansion with resistance training in 83‐94‐year‐old men and women

Aims To examine satellite cell and myonuclear content in very old (≥83 years) individuals, and the response to heavy resistance training. Methods A group of very old men and women (Old, 83‐94 years, n = 29) was randomized to 12 weeks of heavy resistance training or untrained controls. A group of you...

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Bibliographic Details
Published in:Acta Physiologica 2019-09, Vol.227 (1), p.e13271-n/a
Main Authors: Karlsen, Anders, Bechshøft, Rasmus L., Malmgaard‐Clausen, Nikolaj M., Andersen, Jesper L., Schjerling, Peter, Kjaer, Michael, Mackey, Abigail L.
Format: Article
Language:English
Subjects:
ageing
Aging
Cell size
heavy resistance training
Hypertrophy
myonuclear domain
myonuclei
Physical training
Satellite cells
Strength training
Women
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Summary:Aims To examine satellite cell and myonuclear content in very old (≥83 years) individuals, and the response to heavy resistance training. Methods A group of very old men and women (Old, 83‐94 years, n = 29) was randomized to 12 weeks of heavy resistance training or untrained controls. A group of young men who did not resistance train (Young, 19‐27 years, n = 9) were included for comparison. Results Compared to young men, prior to training the old men had smaller type II fibres (−38%, P 
ISSN:1748-1708
1748-1716
DOI:10.1111/apha.13271