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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Development and popularity of surfing in the Czech Republic
 Löffelmann, Adam ; Jindra, Matouš (advisor) ; Kuba, Kryštof (referee)
Title: Development and popularity of surfing in the Czech Republic Student: Bc. Adam Löffelmann Supervisor: PhDr. Matouš Jindra, Ph.D. Objectives The aim of the thesis is to analyze Czech surfing population, to find out development of surfing and actual trends of surfing in Czech Republic. Methods To obtain data the quantitative empirical method was used in this thesis. The research of this thesis was carried out with the help of the questionnaire. Questionnaire contained 24 questions was intended only for respondents with practical surfing experience. Querying and gathering responses was done in the Google Forms online application. The questionnaire included mainly closed questions, but also semi-closed questions and open questions. A total of 284 relevant polls were collected. Methods of induction, deduction, analysis and synthesis were used in this work as well. Results The results of the research shows the popularity of surfing is still on the rise. This is influenced by the fact that for the majority of respondents, 96.8%, the first practical experience with surfing was positive experience. 60.9% of respondents try to spend more and more time in the waves. Surfboard is owned by 38% of respondents which indicating they are actively involved in surfing. 75% of respondents practice surfing less...
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Effect of warm-up on the explosive power of the lower extremities in football
 Löffelmann, Adam ; Jebavý, Radim (advisor) ; Feher, Jan (referee)
Title: Effect of warm-up on the explosive power of the lower extremities in football Student: Adam Löffelmann Supervisor: PhDr. Radim Jebavý, Ph.D. Objectives The aim of the thesis is to compare the explosive performance in high jump and long jump before warm-up and after passing three kinds of warming-up (static stretching, dynamic stretching, dynamic stretching with power elements) by football players. Next to compare effectivity of these three warm-up variants. Methods To obtain data was the measurement method in this thesis. At first was took input data without warming-up. After participants passed 6 warm-up in two weeks. Static stretching, dynamic stretching and dynamic stretching with power elements every week. 2 tested high jumps and 2 testem long jumps were made after each warm-up. The better one from each test was scored. Results There are noticeable differences between the input data and the results achived after passing warm-up. There could have a impact the progress of jump technique. Its proved that sport performance of explosive type can be influenced by choosed type of warm-up according to literary sources which are mentioned in teoretical part of this thesis. Most of authors prefers dynamic stretching instead of static stretching before explosive perforance. Measurement whitch is...
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