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Nutrition at sports with weight categories
Žabová, Anna ; Vilikus, Zdeněk (advisor) ; Tuka, Vladimír (referee)
This bachelor thesis is focused on diets in sports with weight categories. The main goal is to find out about the diets of the professional athletes before the official weighting, what methods of weight reduction these athletes use and whether they experience any negative effects of the diet on their health. Theoretical part focuses on the information about weight categories, nutrition recommendations for particular athletes, forms of weight reduction and human body composition analysis. The practical part is divided into two researches. The first research is carried out in the form of a quantitative questionnaire, in which the respondents provide information on dietary habits and their presence in the weight category. The second research focuses on five light-weight rowers, whose body composition information is compared in the non-competitive and competitive period. The questionnaire has been filled in by 103 competitors from 9 different sports with weight categories. Some outputs are quite worrying, or even alarming. Only less than one third of the respondents races in their category without major weight fluctuations or greater dietary restrictions. Comparing the data from both measurements of the body composition of the athlete (out of season and before the race) turned out as expected with only...
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Analysis of punches in top boxing competitions
Čížek, Jakub ; Zdobinský, Adam (advisor) ; Stich, Jaroslav (referee)
Title: Analysis of punches in top boxing competitions Objectives: The main objective of this work was to analyze the total number of punches, their efficiency and the use of punches on the body at two weight categories. The specific categories studied were velterweight and light heavyweight. Methods: An observation method was used to create statistics from watched videos. Two consecutive World championships served as a data source. The first one took place in 2013 in Almaty, the second two years later in Doha. MS Excel was used to process data. Results: It was found that more active in terms of attacks was the weight category up to 69 kg, but not more successful. More precise hits have been used by the light heavyweight category. The most commonly used technique was a direct followed by a hook and uppercut. Punches to the body were in the sum total of about 12 % and they were much more effective than strikes to head. Keywords: punch techniques, tactical concept, boxing, comparison, weight categories
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Keeping and reducing weight in the boxing
Broža, Daniel ; Pavelka, Radim (advisor) ; Stich, Jaroslav (referee)
Title: Keeping and reducing weight in the boxing Aims: The aim of the diploma thesis is to find out which methods are used for sustain or reduction of boxers' weight in various weight classes. If this process affects their power, and which intervals they begin the reduction before the fight in. Methods: The observation as the quantitative method was used on the basis of public inquiry. Results: It follows that boxers use shorter and more intensive methods for their weight reduction rather than slow and careful methods for their organisms. Moreover, two thirds of respondents experience some changes in consequence of sustaining and reducing the weight. The majority of respondents mentioned they get the information how to sustain and reduce the weight in accordance with their own consideration. Keywords: Boxing, weight reduction, weight categories, dehydratation
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