In:
Canadian Journal of Applied Physiology, Canadian Science Publishing, Vol. 18, No. 2 ( 1993-06-01), p. 189-196
Kurzfassung:
The influence of strength training on muscle fiber area, capillary ultrastructure, and capillary supply was studied in experienced male bodybuilders taking either anabolic steroids or a placebo. During 8 weeks, 13 subjects received a weekly injection of either placebo or nandrolone decanoate (starting dose 200 mg, followed by 100 mg weekly), in a double-blind, counterbalanced design. Before and after 8 weeks a needle biopsy was taken from the vastus lateralis muscle for studying morphometric characteristics of fibers and ultrastructure and morphometric characteristics of capillaries. The fiber cross-sectional area increased significantly only after steroid treatment. Capillary ultrastructure and capillary supply were not changed after the training period. In none of the measured parameters was any difference found between placebo and steroid treatment. Key words: fiber area, capillary supply, bodybuilders, nandrolone decanoate
Materialart:
Online-Ressource
ISSN:
1066-7814
Sprache:
Englisch
Verlag:
Canadian Science Publishing
Publikationsdatum:
1993
SSG:
31
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