Factors influencing muscle mass in the rat at 1.0 and multiple G's

Using 16 samples of rats, 13 at terrestrial gravity and three subject to chronic centrifugation, product-moment correlation coefficients among individuals between mass of muscle and A (live mass - FFBM) and B (FFBM - muscle mass), where FFBM is fat-free body mass, have been calculated. Parameter A r...

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Veröffentlicht in:The Physiologist 1984-12, Vol.27, p.S
1. Verfasser: Pitts, G C
Format: Artikel
Sprache:eng
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Zusammenfassung:Using 16 samples of rats, 13 at terrestrial gravity and three subject to chronic centrifugation, product-moment correlation coefficients among individuals between mass of muscle and A (live mass - FFBM) and B (FFBM - muscle mass), where FFBM is fat-free body mass, have been calculated. Parameter A represents the inert load to be carried, and yielded no significant correlations with mass of muscle. Correlations with parameter B test whether muscle maintains a constant mass relationship to the rest of the fat-free compartment and yielded significant positive correlations in eight of the 13 samples at terrestrial gravity, and in none at elevated chronic accelerations. It was concluded that the mass of muscle was not significantly correlated with the inert load being carried, even at 4.15 g, but was correlated with the masses of other components in the FFB, and that physical exercise and changes in diet did not disrupt these relationships, but increases in chronic acceleration probably did disrupt them.
ISSN:0031-9376