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Development of tennis technique
Velebil, Matěj ; Kočíb, Tomáš (advisor) ; Carboch, Jan (referee)
Title: Development of tennis technique Objectives: The main object of this thesis is to analyse the fundamental factors that affect the development of tennis technique. Furthermore, this thesis presents the most common deviations from the optimal tennis technique, including their possible causes, and consequently suggests possible corrections that would help optimise the technique. Methods: Based on the analysis of documents, are present the fundamental factors that influence tennis technique. Specific selected deviations are develop from the optimal tennis technique on the parts of the basic strokes, in which the specific deviations, its description and the causes are stated. Furthermore, methods of correction to eliminate the mentioned technical deviations are proposed. This methods are based on the analysis of documents and observations from our own past experience. Results: The result is a detailed analysis of factors that affect the development of tennis technique. Furthermore, a list of deviations from the optimal technique with possible causes and proposed methods of their possible correction. The theoretical basis of the work deals with tennis technique as a fundamental factor influencing sports performance in tennis. Keywords: Biomechanics, exercises, correction, deviation, stroke
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Analysis and comparison of boxing styles of elite amateur boxers from Cuba and Kazakhstan
Čížek, Jakub ; Zdobinský, Adam (advisor) ; Pavelka, Radim (referee)
Title: Analysis and comparison of boxing styles of elite amateur boxers from Cuba and Kazakhstan Objectives: The main goal of this thesis was to find out whether the frequency of use of punching techniques and the distance from which these punching techniques are used are statistically significant for the style of two the most successful countries in amateur boxing. The countries were compared in the use and success of the strikes and compared to their preference for long or medium combat distance. Methods: The method of quantitative observation was used, in which data was obtained by watching video recordings. Part of the matches was evaluated by recording the results manually on paper, the other part in the BORIS program. All data was then transcribed into a Microsoft Excel spreadsheet, where it was also processed. The source for the data were publicly available video recordings from top competitions in 2010-2020. Results: Differences between countries in the monitored indicators are insignificant and boxing styles do not differ much. In the frequency of the use of striking techniques between the rounds, a significant difference was found only between the first and second round of the Kazakhs. In the case of determining the preference for long and medium distance combat between the rounds, there...
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The influence of physical activity on stroke efficiency
Vokoun, Jaroslav ; Pavelka, Radim (advisor) ; Smolík, Petr (referee)
1 Abstract Title: Effect of physical activity on stroke efficiency. Objective: The aim of this work is to determine and compare the effectiveness of a stroke after a physical activity on a selected group of police officers in the execution of direct punches in to device Kistler 5606. A group of ten test subjects will intentionallybe formed from police officers of Police Disciplinary Service of The Czech Republic. Methodology:Empirical-theoretical work of observational nature will be use. Impact force will be measured on the Impact load cell, property of Charles University in Prague. For processing the final data I will apply the method of comparison of average values achieved. Conclusion: As the researched data and subsequent based on factual events process showed, the strength of the first impact measured before exercise is in most cases greater than that after exercise. Fitness of the examined subject and its technical skills play an important role in the variety of results. This research thus led me to the conclusion that if the subject pursues an offender and after covering certain distance challenges him in a fight, the subject will be able to perform strokes with similar vigour as before the pursuit. Physical fatigue of the offender, who had undergone equivalent physical stress as his pursuer, is also...
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