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Aging, muscle fiber type, and contractile function in sprint-trained athletes

Marko T Korhonen1, Alexander Cristea, Markku Alén

  • 1Dept. of Health Sciences, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland.

Journal of Applied Physiology (Bethesda, Md. : 1985)
|May 13, 2006
PubMed
Summary

Sprint exercise preserves muscle function in older athletes. Despite age-related declines in fast fiber size and myosin heavy chain (MHC) isoforms, sprint training maintains high muscle characteristics, benefiting aging muscles.

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