Article
Muscle strength response to strength training is influenced by insulin-like growth factor 1 genotype in older adults.
Journal of applied physiology (Bethesda, Md. : 1985) - 1 Jun 2005
Kostek Matthew C, Delmonico Matthew J, Reichel Jonathan B, Roth Stephen M, Douglass Larry, Ferrell Robert E, Hurley Ben F
Abstract excerpt
Strength training (ST) is considered an intervention of choice for the prevention and treatment of sarcopenia. Reports in the literature have suggested that the insulin-like growth factor I protein (IGF-I) plays a major role in ST-induced skeletal muscle hypertrophy and strength improvements. A microsatellite repeat in the promoter region of the IGF1 gene has been associated with IGF-I blood levels and phenotypes...
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