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Circadian sleep preferences of children of older school age practicing karate.
ROUDNICKÁ, Lenka
The aim of my bachelor thesis was to find out circadian sleep preferences of older school-age children practising karate. In the theoretical part of the bachelor thesis, I deal with the sleep problems of older school-age children, where I define important terms, which are: circadian rhythms, speed abilities, specifics of sports preparation of children practising karate. Circadian rhythms affect the bodily functions of our body within twenty-four hours. Speed abilities are one of the most important abilities which are involved in the athlete's final performance. The specifics od sports training for children practising karate depend on the age, sex, level, motivation and determination of the athlete. Older school-age i sone of the most important parts of life. There is a formation of the mental and physical aspects of man. The practical part was realized using a standardized questionnaire of the composite scale of morning and evening types Skočovský (2004), which was filled by 40 children (20 boys, 20 girls) of older school-age from 11 to 15 years. Based on the evaluation of the questionnaire, the aim of the work was fulfilled and I came to the following most important data: 15 % of boys are morning types or larks, 65 % of boys are neutral or third birds and 20 % of boys are evening types or owls. I also found that 40 % od girls are morning types, 55 % of girls are third birds and 5 % of girls are evening types.
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