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- Title
Bioelectrical Impedance of the Left Ventricular Myocardium, Lung in Rats after Forced Swimming Training and Subsequent Detraining.
- Authors
Kolomeyets, N. L.; Ivonin, A. G.; Peshkin, E. A.; Roshchevskaya, I. M.
- Abstract
Multifrequency bioimpedance studies were performed in rats subjected to an eight-week swimming course followed by an eight-week no-exercise period and control animals. A significantly lower ratio of the phase angles of the bioelectrical impedance of the lung tissue at two frequencies of electric current in rats after prolonged physical activity in comparison with control animals was revealed, which may indicate structural and functional changes in the lung tissue. No significant differences were found in the bioimpedance of the myocardium of the left ventricle of the heart in rats of the two groups after eight weeks of swimming. After an eight-week period of absence of physical activity, in detrained rodents, in comparison with controls, a significantly lower active resistance of the bioelectrical impedance of the myocardial tissue and a significantly higher ratio of the bioelectrical impedance resistance of the lung tissue at two frequencies of electric current were observed, which may indicate edema, as well as the preservation of those formed during exercise new microvessels.
- Subjects
BIOELECTRIC impedance; LUNGS; MYOCARDIUM; LEFT heart ventricle; ELECTRIC currents; RATS; PHYSICAL activity; SWIMMING training; SWIMMING
- Publication
Journal of Evolutionary Biochemistry & Physiology, 2023, Vol 59, Issue 1, p69
- ISSN
0022-0930
- Publication type
Article
- DOI
10.1134/S0022093023010064