Abstract
The function of external respiration was determined monthly for the same group of young men (42 persons, 319 examinations) at the age of 18 years — 22 years (19,0±0,9 years) on a microprocessor spirograph SPM-01-«R-D». Men lived in the territory of the European North (62° N) from six months to two years and were engaged in physical works of medium gravity in the open air. The results were processed statistically using the single-factor analysis of variance and using the Student’s t-test with the Bonferroni amendment. It was revealed that the features of the external respiration function in northerners are increased depth and minute volume of respiration, vital capacity of lungs, greater variation in the annual cycle of values of speed indicators of the function of external respiration, absence of significant statistical differences for temporal functions. The maximum values of pulmonary volumes and velocities were observed in the cold season (from November to April), the minimum values — in warm (from May to September). Adaptive changes of the function of external respiration in northerners can achieve the required level of air conditioning, alveolar ventilation, increase the surface of gas exchange, adapt to the metabolic needs of the organism sufficiently effectively.
Published Version
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