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Differences in the eating habits of rowers and crossfit athletes
Kadlecová, Nikola ; Vilikus, Zdeněk (advisor) ; Petráková Doležalová, Radka (referee)
The theme of this thesis is sports diet. It is divided into two parts. A theoretical part explains balanced died. It describes the mechanics of energy generation during physical activity and the characteristics of rowing and Crossfit. The focus is on diet in those disciplines. Based on the theoretical foundation is build a practical part, where the statistical data are analyzed and evaluated. The goal of this thesis is to discover, whether there is a difference between rower's and Crossfit athlete's diets. To find out, specialized questionaries about eating habits have been used. Sixteen sportsmen/sportswomen have filled the questionaries. Based upon collected data about their intake of selected nutrients in the last month, there were no statistically significant differences in energy income, protein consumption (neither animal nor plant-based), amount of fruit and vegetables, fatty acid spectrum nor added sugar income. The data have nonetheless indicated differences, eg. Crossfitters tend to have higher animal protein consumption and lower intake of fruit. Key words: crossfit, eating habits, nutrition, rowing, sport diet
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Caffeine and its influence on sports performance
Kadlecová, Nikola ; Vilikus, Zdeněk (advisor) ; Tuka, Vladimír (referee)
This bachelor thesis is composed of theoretical and practical part. The first section focuses on characteristics and history of caffeine, its effects on different parts of the body, description of sport activity, and matters of using caffeine as a form of doping in sports. On the basis of the theoretical foundation, I have composed practical part where research project is described. The project consisted of observation of the effects of caffeine during medium- term endurance activity. The aim of this thesis is to discover how consumption of caffeine before a sport activity can affect performance of an individual. For that purpose, I have used an experiment which should determine if caffeine improves performance in 1,500-metre run. The experiment involved 16 people 25.6 years old on average and with average BMI of 24. The testing included test run without the consumption of caffeine and run with caffeine when 1 hour before the run the participants got caffeine of total dosage of 3 mg/kilogram of their weight. After the comparison, the results showed that 10 people had better performance after consumption of caffeine, and overall there was 3,5-seconds improvement. Nevertheless, the results are not significant according to statistical assessment (p=0,306), and therefore caffeine did not support the...
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