Specific character of the external respiration of the indigenous residents of Khanty-Mansiysk autonomous district - ugra aged 11-14 years

The aim of the study was to identify the peculiarities of external respiration of schoolchildren aged 11-14 years old, the indigenous people of the Khanty-Mansiysk Autonomous Okrug - Ugra. Methods: To assess the function of external respiration, the hardware-software complex Spiro-Spectrum was used. The obtained results were analyzed using the software Statistica 10.0. The following groups were singled out: 1st - schoolchildren from the indigenous peoples of the North (Khanty), who come to boarding schools for the study period; 2nd - metis of the first generation (one of the parents - Khanty); 3rd - descendants of alien populations. Results: In all groups of schoolchildren, hyperventilation of the lungs was stated at rest. In groups of girls, the excess of the age norm of the minute volume of respiration was not less than 4 l / min, in boys - not less than 6 l / min, the maximum lung ventilation was lower than due values by more than 15 %. Lung ventilation rates in the metis groups were closer to those of the descendants of the alien population. Conclusions: The presence of restrictive disorders and reduction of the limiting capabilities of the respiratory apparatus was not excluded in the studied groups. Features of lung ventilation of metis of both sexual groups, in which only one of the parents is a representative of the Khanty, are mainly inherited from the adaptive types of the second parent with a genetic program specific for their birth regions. Only in metis girls the frontier of the respiratory system reflects its features peculiar to the representatives of the Arctic adaptive type.

respiratory system, school children, indigenous people, the North