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  • Title: [Effect of various types of sports on the pulmonary rheogram of young school age children].
    Author: Il'nitskiĭ VI, Panasiuk EN, Il'nitskiĭ OV, Tsipak LA.
    Journal: Fiziol Zh (1978); 1989; 35(1):44-52. PubMed ID: 2714469.
    Abstract:
    The pulmonary blood circulation of boys aged from 8 to 12 going in for swimming and wrestling has been studied by the rheographic method. It is found that the pulmonary rheogram of young sportsmen differs significantly from the one of non-sportsmen of the same age. The basic wave amplitude is larger, its elevation and fall angle is smaller, presystolic, systolic and diastolic parts are longer, rheographic systolic and diastolic indices as well as vascular wall elasticity index are higher, peripheral resistance of arterioles and cappilaries are lower in trained children. These values demonstrate a decrease in the pulmonary blood flow rate and an increase in its volume as well as improvement of the elastic-viscid properties of blood vessel walls. They also indicate the economy development of pulmonary circulation activity. The mentioned deviations are better expressed in young swimmers.
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