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Realization of Electronic Commerce
Zháněl, Jiří ; Poslušný, Marek (referee) ; Dydowicz, Petr (advisor)
The thesis deals with the analysis of selling method for special literature and suggests the solution how to realize electronic commerce in condition of minimal costs. It concentrates on the offer propagation using online tools and social networks, and gives the instruction how to deal with the solution of selling on the internet.
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Selected physical abilites and golf skills in relation to the performance in elite junior golf players
Brožka, Matěj ; Zahálka, František (advisor) ; Halada, Andrej (referee) ; Zháněl, Jiří (referee)
Title: Selected physical abilities and golf skills in relation to the performance in elite junior golf players Objectives: The aim of the study was to objectify the level of golf skills and physical abilities and to identify the inter-relationships between the individual determinants of performance during the long-term development of elite junior golf players. The sub-objectives of the thesis were to: develop a valid and reliable golf skills test battery; objectify the level of physical abilities in relation to energy generation during the golf swing; objectify the level of individual golf skills in relation to game performance; and identify key determinants of performance over the long-term development of elite junior golf players. Methods: The thesis consists of one standardization study and two longitudinal-survey studies involving a total of 30 elite junior golfers (13-18 years old). Perennial year testing was conducted in laboratory and field conditions. Participants were measured in the level of individual golf skills using a developed golf skills test battery and also underwent measurements of anthropometric parameters, body composition parameters and physical abilities, more specifically muscle strength of the extensors and flexors of the knee and explosive muscle strength during vertical...
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Identification, objectification and determination of performance and health-prevention criteria in elite soccer players
Kunzmann, Egon ; Malý, Tomáš (advisor) ; Kaplan, Aleš (referee) ; Zháněl, Jiří (referee)
Identification, objectification, and determination of performance criteria for elite soccer players. Aim: Identification of key point indicators (KPI) of young soccer players with a focus on objectifying and determining the possibility of achieving the highest level of performance. Methods: The study included 157 soccer players, who were then divided into five age groups (U21, U19, U18, U17 and U16) and three performance groups (Elite - 1st league players, Sub-elite - 2nd league players, Amateur - 3rd league and lower performance levels players). Within laboratory diagnostics, the following areas were evaluated: body composition (bioimpedance method), postural stability (using pressure plates), explosive power of the lower limbs (three types of vertical jumps), strength and power of knee extensors and flexors (using isokinetic dynamometry) and the value of the maximum aerobic capacity VO2max (using the pulmonary ventilation exercise test). Within the field diagnostics, the areas of acceleration time (sprint at 5 and 10 m), maximum speed (sprint at 20 m flight), time in the test of change of direction (Agility 505 test and K-test) and values of endurance ability (Yo- Yo intermittent recovery test level 1 and 2). The diagnosed data were then processed in the statistical program RStudio® (USA) using...
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Return temporal anticipation on the basis of the ball trajectory estimation
Carboch, Jan ; Süss, Vladimír (advisor) ; Zháněl, Jiří (referee) ; Tomajko, Dušan (referee)
Return temporal anticipation on the basis of the ball trajectory estimation Abstract Ball-hitting in tennis involves spatio-temporal information about the ball's flight trajectory. We have focused on the temporal part of the information during returning a tennis serve that was simulated by a ball machine. The tested people had occlusion glasses placed on their head, which occluded their vision at the exact time, when the ball was being sent from the ball machine. The tested person did not know which part of the ball flight trajectory would be occluded, nor the ball speed. We examined the effect of part ball flight trajectory occlusion on the correct return timing of the ball. The analysis revealed that the greatest problems occurred while the second third of the ball flight trajectory had been occluded and reached most temporal errors at that time. Keywords: tennis, anticipation, ball flight trajectory, return stroke, occlusion glasses
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Utilization of Multidimensional scaling and kinetic tests for evaluation and selection of soldiers to courses of close combat
Vágner, Michal ; Hendl, Jan (advisor) ; Zháněl, Jiří (referee) ; Komeštík, Blahoslav (referee)
TTiittllee:: Utilization of Multidimensional scaling and kinetic tests for evaluation and selection of soldiers to courses of close combat TThhee aaiimm ooff wwoorrkk:: The work deals with the structure scale for evaluation of close combat techniques and the selection of predictors, which will improve the quality of the identification of soldiers with conditions for the successful solution of model situations using the techniques of close combat. MMeetthhoodd:: In the beginning of the study is constructed a scale of criterion variable for evaluating techniques of close combat. The construction of scale was used the model of multidimensional scaling. The data was obtained from eight Czech Army experts of close combat. The scale was verified by generalized and weighted Kappa coefficient. By the kinetic tests was tested the group of 157 professional soldiers from different units. The soldiers were old between 20 and 32. Besides kinetic tests were in the study included the previous experiences with fight activities. To selection of the kinetic tests was used the model of linear regression. The evaluation of predictive power of kinetic tests was made by individual cohorts in prediction cycle. RReessuullttss:: In first part of the study was created scale of criterion variable which contain three...
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Competitive success in the performance development of tennis players
Pecha, Jan ; Dovalil, Josef (advisor) ; Tilinger, Pavel (referee) ; Zháněl, Jiří (referee)
Title: Competitive success in the performance development of tennis players Abstract This study deals with the performance development analysis of players, in the conditions of the Czech Tennis Association enviroment (before 1993 of the Czechoslovak Tennis Association), and the aim is to find if the competitive success of Czech, or Czechoslovak players reached in the U12 and U14 age categories relates to their later top performance achievements at the international level. The prospective view analyses national rankings of best U12 and U14 players (during years 1989 - 2011) in relation to their future success at the professional level on the ATP and WTA Tour. The retrospective analysis focuses on players (born 1970 or younger) who reached a top 100 ATP or WTA ranking, and explores their performance development. The qualitative part of the research, based on structured open ended interviews with tennis experts, identifies, confirms and/or reviews the ways of achieving the top tennis performance. This part focuses on three topics of the long-term athletic development in tennis - characteristic features of training, demands on successful players and importance of sport competitions. The total number of 1791 players were involved into the prospective analysis research, and there was a success of 38,50 % of male...
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Affecting the efficiency of stimulation a strenght endurance through exercies on unstable surface
Jebavý, Radim ; Perič, Tomáš (advisor) ; Zháněl, Jiří (referee) ; Turek, Milan (referee)
Affecting the efficiency of stimulation a strenght endurance through exercies on unstable surface In our work we sought to verify the affecting the efficiency of a Strength programme of exercise on unstable surfaces for stimulation of strength endurance abilities, compared to a similar didactic programme conducted on stable surfaces, thus creating an alternative choice for coaches, teachers, and sports instructors. A major element of the didactic process is the quality of the strength training programme on stable and unstable surfaces. When evaluating the overall results of the tests before and after the experimental programme, we come to be of the opinion that the experimental programme manifested itself positively in effectiveness of stimulating strength abilities. The strength programme had an influence on increasing the persistence of strength in dynamic and static regimens. In the case of a strengthening programme on unstable surfaces there was a tendency towards greater growth in the number of repetitions as opposed to programme on a stable base at the beginning of the programme in the case of exercise in a dynamic regimen. Keywords: effectiveness, strength endurance preparation, unstable surfaces, stabilisation system.
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About identification of motor predispositions in triathlon
Kovářová, Lenka ; Bunc, Václav (advisor) ; Čepička, Ladislav (referee) ; Zháněl, Jiří (referee)
Title: About identification of motor predispositions in triathlon Aims: The aim of our study was to find and verify appropriate indicators predicting the on-coming performance in a short triathlon and determine their level for the junior category. Methods: In our study, we combined quantitative and qualitative approaches with a predominance of quantitative methods. In the first phase of the research, we used quantitative methods, confirmatory factor analysis for verification of models of predispositions and elaboration of performance standards for individual tests by means of T-points. In the second part of the research, we used the qualitative method (casuistic studies) to validate the test battery and its application in practice. Results: We have compiled a structural model of motor predispositions for short triathlon, which explained 91% of all cross-correlations of seventeen used indicators. Predispositions for triathlon were categorized into five separate groups; for swimming, cycling and running (i.e. according to individual disciplines), and functional and psychological predispositions. Finding a lower limit boundary of performance in the completed tests is considered to be the most important issue for the assessment of future performance in triathlon. As a lower limit we have set the zone...
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Sport performance structure analysis of men's disciplines K1 1000 and 500 metersin flatwater sprint canoeing.
Marek, Stanislav ; Perič, Tomáš (advisor) ; Zháněl, Jiří (referee)
Title: Sport performance structure analysis of men's disciplines K1 1000 and 500 meters in flatwater sprint canoeing. Objectives: The aim of this research is to determine relationships between general condition factors of sport performance and the top level of sport performance in individual mens' disciplines at 1000 and 500 meters in flatwater sprint canoeing. Methods: To determine statistical dependance between sport performance at individual disciplines of 1000 or 500 meters and choosen factors of sport performance, the correlation research was used. As a variable-dependent values, the final results of sport performance at 1000 and 500 meters were used. As a variable-independent values, the final results of testing parameters were used. To determine the statistical dependance methods of Pearson's and Spearman's correlation coefficients were used. Principal component analysis and factor analysis are a multivariate statistical methods which are used to reduce entered data - entry of variable values in a way of expressing the included infomation by a smaller amount of variable values which are being grouped into components. Method of artificial neural network as a method of artificial inteligence was used to determine most important predictors of sport performance structure. This method provides...
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