Title: Evaluation of strength development during the hockey season in category of younger cadets Objectives: The main objective is to determine the effectiveness of the two months weight training program in the racing season 2014/2015 with a younger junior category players in ice hockey. Based on the results of motor tests before and after the intervention to assess the effectiveness of strength training, respectively. ineffectiveness of strength training. Another goal is to perform a literature search of titles that deal with issues of youth strength training. Methods: This research work was realized with the help of motor testing method. Results: In both monitored file has been changed levels of power capabilities. The research group was divided into two sets. A set of graduated strength program, file B is not. In individuals from Group B were major changes of power capabilities, although weight training did not pass. Individuals who, have at least the first measuring points is compared to the last testing improved the most. For individuals who have the most points in the first measurement occurred against the last test for such a big change. Keywords: Strength Training, Ice Hockey, Young adolescents, fitness program, season

Title: Relation between power ratios of adductors, abductors, external and internal hip rotators at shooting speed of ice hockey players Objectives: The main aim of this thesis is to find out the relationship between the rate of fire on the ice and the strength abilities of the hand and hip rotators Methods: The research group consisted of 20 adult probands (age = 24.8 ± 3.4; height = 181 cm ± 6.13 cm; weight = 80.1 kg ± 9.9 kg). The research took place in the summer preparation period after the season. The laboratory tests were carried out at the Charles University FTVS under the supervision of qualified and trained experts. An isokinetic dynamometer (Cybex NORM ®, Humac, CA, USA) was used to test external and internal rotators. A hand isometric dynamometer (Takei 5401) was used to evaluate the handgrip. Field tests were conducted on the ice, where the rate of fire was recorded using radar (V-max). Results: The results showed a significant degree of association between SBN and SVN shooting and rotator force at concentric contraction (30ř∙s-1 , 90ř∙s-1 ) for the dominant leg, reaching values (r = 0.45) for the angular velocity of 30ř∙s-1 and at higher angular velocities it assumed values (r = 0.44 and 0.54). Statistical analyzes also showed a significant degree of association between SVN-firing and...

TITLE: Effect of lenght of stretching on the strength and flexibility of kickboxers AUTHOR: Bc. Alexandra Nižníková DEPARTMENT: Department of physical education SUPERVISOR: Mgr. Lucie Kainová ABSTRACT: The main aim of the diploma thesis was to examine the effect of lenght of stretching on strength ability, and flexibility of kickboxers. The research lasted 12 weeks and was conducted in two research groups. People in the 19-40 age range did kick-boxing three times a week. The experimental group consisted of 25 kick-boxers who did 15 minutes stretching before and 30 minutes stretching after the training. The control group also consisted of 25 kick-boxers, but they did stretching only for 5 minutes before and after the training. In the research we used our own stretching program, that was applied before and after the training. Based on the results, we noticed an improvement in the experimental group in all tests. The control group showed an improvement in strength tests, but on the contrary, we noticed a deterioration in the flexibility tests. KEYWORDS: Stretching, kickbox, flexibility, strength ability

Práce se zabývá vlivem disipativních proces· v mezních vrstvách, konkrétně vlivem viskozity tekutiny a dále vlivem difúze vodní páry ve vzduchu na vznik sil p·sobících na obtékaná tělesa. Z Croccovy věty plyne, že gradient entropie má sv·j podíl na vzniku cirkulace a d·sledkem toho i na vznik vztlakové síly. Práce zkoumá vznik vztlakové síly při obtékání rotujícího válce, v soft- waru FEniCS modeluje tuto situaci, porovnává s modelem nevazké nestlačitelné tekutiny a následně i s experimentem provedeným Ing. Zdeňkem Trávníčkem a Ing. Zuzanou Broučkovou. Taktéž zkoumá vznik vztlakové síly při vypařování na horní straně válce a srovnává s případem rotujícího válce. 1

Title: Practice Analysis of Stimulation of Strength Abilities in Childhood and Teens. Objectives: The primary objective of this thesis is to create a body of information about this topic, which can then serve as a source of theoretic basis for trainers, fitness instructors and PE teachers. While working with young people to gain information about methods used by them in Czech fitness centres, which then will be compared to general recommendations. Methods: The analysis of recent and actual technical literature, which is dealing with similar questiones, has been used during the methodolgy. Another research method of this thesis is for the participants to assess whether they follow correct procedures by means of a target group survey. The assessment of these procedures should be compared with gained data from target group and theoretical methodology gained by analysis of the literature. Results: Stimulation of strength abilities in childhood and teens is a propriate activity, but only if respecting correct procedures. There are some incorrect procedures followed by youth in Czech fitness centres as outcome of the research. Keywords: strength, strength abilities, children, youth

Title: The influence of water temperature on the rate of recovery during repeated isometric exercise. Objectives: The aim of this thesis is to assess the effect of water temperature on immersion of forearm to water for the sake of speeding up the recovery process during repeated isometric performance. Methods: Five male subjects from the students of FTVS (average age 22 ± 3 years) underwent three meaurements with repeated exercise to exhaustion with various kinds of rest periods. The exercise was represented by three series of intermittent isometric contraction of the finger flexors until exhaustion with 20 minutes rest period. The rest period was represented by the immersion of forearm into cold water (8řC; 15řC;) as well as by a passive rest. Sturation O2 of saturated hemoglobin (SmO2) was monitored by the spectrometer throughout the entire measurements at flexor digitorum profundus. Results: The reliability of measurements was rel=0,79 with standard deviation SD= 27,3s and standard measurement error SEM= 12,5s. The least effective method of recovery was passive recovery. Decrease in the time between the first, second and third contraction respectively was 35s, 34s respectively. Immersion in 15 ř C water under recovery phase led to improvement in the second contraction by 43s and by 27s in the...

Title: Effect of climbing activity on somatic and fitness characteristics in youth. Objectives: The aim of this thesis was to assess the effect of climbing activity on fitness (upper body strength) and somatic (body composition) changes in youth in real conditions. Methods: We had 91 children participating in this study, who were attending climbing course in the climbing center Praha Ruzyně. Their age was 10,4 ± 3,0 years in average and their climbing ability was on UIAA scale from 4 th to 7 th degree. We detected information about age, climbing experience, and actual climbing performance. Furthermore, we measured height, weight and body composition and we used the tests for measuring upper body strength: hand grip, bent-arm hang and finger hang. Results: Dependence between strength tests (average of three measurements) and climbing level of RP (UIAA) was not statistically confirmed. There was not found the influence of climbed meters to changes in each tests of strength. There was no change in the grip strength test in average, during the exercise intervention. In the bent-arm hang test and the finger hang test, there were significant changes that were not depending on climbing experience of children. Conclusions: In this study was not confirmed any of the above hypotheses. However, it was found...

~ 1 ~ TITLE Development of strenght skills trought Calisthenics. AUTHOR Bc. Michal Kalimon DEPARTMENT Department of physical education SUPERVISOR PhDr. Martin Dlouhý, Ph.D. ABSTRACT The basis of thesis is describe Calisthenics principes, functions and goals. The result is to clarify whether leads Calisthenic which is exercise with your own weight to develop strength skills. KEYWORDS Key words: Calisthenics, strenght skills, exercise with its own weight

Measurement of the force loading is a significant type of measurement in mechanical engineering applied to analyse important aspects in the machining process. In addition to the determination of specific material constants, it is possible to analyse, for example, various machining strategies, geometries of tools or the degree of wear of the cutting edges of cutting tools. This master’s thesis deals especially with the last two mentioned aspects which are subjects of an experiment on end mills with PCD inserts sharpened by a different technology. In the introductory part the cutting forces are theoretically analysed along with their measurement possibilities and the technology of the production of the mills including their sharpening – WEDM and EDM-G. One chapter is concerned with the milling of plastic materials, as PVC was the material used for the workpiece during the experiment. The first experimental part is devoted to the analysis of sharpened tools followed by the measurement of forces using the piezoelectric dynamometer and the subsequent analysis of the influence of the different tool geometry. The last conducted experiment monitors how the overall cutting forces of individual end mills sharpened by different technology changed over specific milling time slots.

In this thesis is described machining of barrel steels and determination of the most suitable cutting conditions for this process. In the theoretical part was characterized cutting process and explained problems of VBD wear, chip formation and roughness of the surface. There were also explained most common cutting materials and in the last part were described CVD and PVD coating methods. In the experimental part was measured force load during turning. There was also tested eight carbide cutting inserts from SECO TOOLS. During the tests were measured additional surface roughness values and taken chip samples as well. From the evaluated load force data were determined optimized cutting conditions for machining barrel steels and most suitable type of cutting insert.