PRIMARY SCHOOL GIRLS’ RESPIRATORY SYSTEM ADAPTATION AT THE BEGINNING OF SCHOOL YEAR

Abstract: 

The authors of the article studied the first, second and third-year school girls’ respiratory system adaptation at the beginning of school year. Adequate changes of the studied parameters due to different kinds of loading were observed for the girls of the first and the second year. Dynamic loading didn't influence the external breath system of the third-year school girls. Isometric loading decrease minute volume of the breath, frequencies of breath and respiratory volume. 

Key words: 

respiratory system, physical activity, primary school girls, ontogenesis.

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