Article
Familial resemblance for muscle phenotypes in the HERITAGE Family Study.
Medicine and science in sports and exercise - 1 Aug 2003
Rico-Sanz Jesus, Rankinen Tuomo, Joanisse Denis R, Leon Arthur S, Skinner James S, Wilmore Jack H, Rao D C, Bouchard Claude
Abstract excerpt
INTRODUCTION/PURPOSE: We hypothesized that skeletal muscle histological and biochemical phenotypes aggregate within families. METHODS: Nineteen families (78 Caucasians) from the HERITAGE Family Study participated in the study. Proportions and areas of Type I, IIA, and IIX muscle fibers, capillary density, and maximal enzyme activities were determined in biopsy samples from the vastus lateralis obtained in the...
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