Article
Phenotypical transitions and Ca2+ activation properties in human muscle fibers: effects of a 60-day bed rest and countermeasures.
Journal of applied physiology (Bethesda, Md. : 1985) - 1 Apr 2009
Mounier Yvonne, Tiffreau Vincent, Montel Valérie, Bastide Bruno, Stevens Laurence
Abstract excerpt
Muscle biopsies were taken from soleus and vastus lateralis before and after a 60-day bed rest (BR) to examine expression changes in the regulatory proteins of the thin filament and in contractile function. Twenty-four women separated in three groups were submitted to BR or a combined protocol of resistance and aerobic exercises during BR or received a supplementation of amino acids during BR. Ca(2+)-tension...
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