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The effect of altitude on the regeneration in alpine skiing - a review study
Štanglerová, Magdaléna ; Šteffl, Michal (advisor) ; Brtník, Tomáš (referee)
Background Training at high altitude, historically in natural conditions and now in created artificially hypoxic environments, has been used to enhance physical performance in a wide range of endurance sports for many years. For alpine skiing, which takes place naturally at higher altitudes, prolonged exposure to altitude hypoxia and low ambient temperature is specific. However, even here, some effects of this specific load on the athletes are still unclear. Objectives The aim of this thesis is to summarize the results of studies dealing with the topic of hypoxic training in alpine skiers and its effect on selected physiological parameters. Methods The thesis is conducted as a systematic review in accordance with the recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Four electronic databases were used to obtain relevant sources - Web of Science (WoS), PubMed, Scopus and SPORTDiscus using the EBSCO database. Results A total of 234 potential publications were retrieved, of which 15 studies including data from a total of 294 probands, mostly elite alpine skiers, were used in the final systematic review. Seven studies used the normobaric hypoxia method and eight studies were conducted under natural conditions. Five studies looked at the acute effect,...
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The effect of the menstrual cycle on performance in sports
Baumová, Nikola ; Šteffl, Michal (advisor) ; Soukupová, Vendula (referee)
Title: The effect of the menstrual cycle on performance in sports Objective: The aim of this study is to investigate the effect of the menstrual cycle on performance in sport using the results obtained from previous studies dealing with the effect of the menstrual cycle on performance in sport. Methods: This thesis was carried out as a systematic review. Sources of information were scientific articles and studies from the PubMed, Scopus, EBSCOhost and EBSCOhost databases and literature related to the influence of the menstrual cycle on sports performance. Results: A total of 45 studies were selected for this study (9 cross-sectional, 33 cohort and 3 intervention studies). A total of 3086 probands (2364 from cross-sectional, 644 from cohort and 78 from intervention studies) aged 18 to 35 years were included. Conclusion: In most cases, no effect of MC on sports performance was found. If any effect was observed, the worst phase of MC for performance appeared to be the mid-luteal phase, while the best was the follicular phase. Keywords: menstrual cycle, menstrual phase, follicular phase, luteal phase, strength, power, force, muscular performance, aerobic, aerobic power, aerobic capacity, endurance, endurance power, endurance capacity, anaerobic, anaerobic power, anaerobic capacity, athletic...
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Specifics of tennis training for children with ADHD
Slavíková, Magdalena ; Šteffl, Michal (advisor) ; Kočíb, Tomáš (referee)
Title: Specifics of tennis training for children with ADHD Objectives: The main objective of this study was to propose a set of educational-psychological recommendations and strategies for coaches and parents to maximize the effectiveness and positive effects of tennis training for children with the attention deficit hyperactivity disorder (ADHD). Methods: Three children with ADHD were observed during tennis training. The observation took place during a training session. This method allowed the author to collect data directly in the children's environment. In addition, a controlled structured interview based on ten prepared questions that focused on working with children with ADHD was conducted with a coach of the three children mentioned above. The interview related to working with children with ADHD, teaching strategies and the future of these children in tennis. The interview data were analyzed using the grounded theory, which helped to identify key aspects and patterns in the coach's responses. The results of these analyzes were used to create proposals for pedagogical strategies for working with children with ADHD in tennis. Results: The results of our study provide a comprehensive picture of the situation of children with ADHD in the context of tennis training. Observation revealed specific...
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Association between alcohol use and semantic verbal fluency in older adults over 65 years of age
Zbořilová, Darina ; Šteffl, Michal (advisor) ; Hráský, Pavel (referee)
Title: Association between alcohol use and semantic verbal fluency in older adults over 65 years of age Objectives: To determine the association between alcohol consumption and one of the memory components - semantic verbal fluency in older adults over 65 years. Methods: This diploma thesis was carried out as the secondary analysis of data from an international cross-sectional study, which was a part of the Survey of Health Aging and Retirement in Europe (SHARE) project. For the purposes of this thesis, the participants were divided into six categories according to their education levels, and sex. Generalized linear models were calculated for each of the categories separately. Results: A total of 41,224 participants average age 75.1 ± 7.4 years were included in the survey, out of them 22,737 were women and 18,487 were men. 83.0% of participants reported no consumption any alcohol during the last three months prior to testing. More frequent alcohol consumption was associated with lower performance in the semantic verbal fluency test in the several categories according to education (p<0.001). This relationship was primarily among participants with less education, the unstandardized regression coefficient B = -1.416 (p = 0.045) was estimated in women who consumed alcohol five or six days a week and...
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Rest and active diagnostic to determine performance limitaion in triathlon
Nováková, Natálie ; Hráský, Pavel (advisor) ; Šteffl, Michal (referee)
Title: Rest and stress diagnostics to determine performance limitation in triathlon Objectives: The main objective of this thesis is to analyze the results from the rest and stress test, where I used the analysis to define the state of the organism of the examined athlete from the Betri sports club. Another aim is to design an intervention program for 8 weeks in collaboration with an experienced coach Radek Holinka. Based on the evaluation of the input and control parameters I will define the limitations of the performance and compare it percentage wise. Through this type of research I will investigate the changes in the biochemical parameters of the body and the intervention program will increase the potential for better sports performance for the upcoming competition season at amateur level. Methods: The research was carried out using a quantitative method based on expert analysis of the current state of the organism using rest and stress diagnostics in the Betri Lab movement centre. First, resting caloric expenditure was measured using a modern PNOÉ (metabolic analyzer) device, and then a bicycle ergometer stress test was applied to the athletes to determine energy expenditure to determine thresholds and define any performance limitations. During the exercise stress test, the athletes completed...
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Adaptogens and their effect on the human body
Hruša, Adam ; Kinkorová, Ivana (advisor) ; Šteffl, Michal (referee)
The thesis focuses on the significance of natural adaptogens. The aim of this thesis is to provide a comprehensive overview of the topic and to further examine specific adaptogens chosen by me, with a focus on their potential effects in supporting athletic performance, using available studies. It is a theoretical work that was developed through a literature review. Keywords: adaptogens, adaptogenic herbs, tonics, tonic herbs, athletic performance, recovery. ashwagandha, giseng, rhodiola rosea
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Social Value and its Measurement in the Third Sector
Konov, Jaroslava ; Dohnalová, Marie (advisor) ; Šteffl, Michal (referee) ; Průša, Ladislav (referee)
The research "Social value and its measurement in the third sector" is focused on measuring the social value of social enterprises, which form part of the conceptual framework of the third sector. Social enterprises currently face the challenge of assessing and measuring social value (social impact). Demonstrating social value is required by many stakeholders, including social enterprises themselves. There are many approaches to measuring social value, but none has been widely adopted, and the field is characterized by methodological pluralism. In the Czech Republic, the area of social value measurement in the third sector is still under-researched, despite the current political and economic climate, where stakeholder demands for indicators that can capture the performance of organizations are increasing. As in other countries, there is no uniformly accepted tool for measuring social value or social impact. The main objective of the research, which is divided into two sub-research "Measuring the social value of social enterprises" and "Longitudinal study", is to measure the social value of social enterprises in the Czech Republic and to perform their mutual comparison (benchmarking). The sub-goals are to monitor the development of measurements and changes in the social value of a selected social...
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Risk factors of upper limb injuries and the relationship between general physical characteristics and punch force in martial arts
Sidunov, Matěj ; Pádecký, Jan (advisor) ; Šteffl, Michal (referee)
Title: Risk factors of upper limb injuries and relationship between general physical characteristcs and punch force in martial arts. Objectives: The master thesis has two objectives. First, to find out the possible performance and morphological predictors of upper limb fractures in martial arts participants. Second to find out the performance and morphological predictors and their magnitude of punching force. Methods: In our thesis we used a logistic regression to find out the strength of the predictors of upper limb fracture. On the retrospective history of fractures, the participants were asked, if they have had any upper limb fracture. Furthermore, Pearson's correlation coefficient and linear regression were used for the strength of the predictors of punching forces. Results: We found out, that none of the predictors of upper limb fractures were signiciant. Furthermore, the overall model was not significant as well (p = 0.064, R2 McF = 0.199). Linear regression for the prediction of punching forces was statistically significant (p <0.001, R2 = 0.672). The strongest predictors were handgrip strength and peak concentric fore during a push-up jump (both p <0.05). Keywords: martial arts, mixed martial arts, injury, punching
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Sports preparation of para hockey players in Czech Republic
Gojová, Barbora ; Šťastný, Petr (advisor) ; Šteffl, Michal (referee)
Title: Sports training of national Para ice hockey team players in the Czech Republic Results: Using theoretical knowledge, questionnaire survey and based on interviews with the coach of the para hockey team of the Czech Republic, to describe the current level of sports preparation of para hockey players in the Czech Republic. The sub-goal was to design suitable exercises on and off the ice. Method: Within the theoretical part, a method of literature research was chosen to present basic information about para hockey and its training in the Czech Republic. The research was conceived as mixed. The methods of data collection were a questionnaire and a semi-structured interview. Descriptive statistics were used to analyze the data. In the case of open questions and interview analysis, the method of creating clusters was used. Results: Training units are insufficient in terms of complexity, lacking, for example, a focus on endurance and training of game skills. Hockey clubs lack a sufficient number of off-ice training units, there is no recovery and rest plan, and very little emphasis is placed on compensatory training. The absence of individual training is also problematic. Training in the season focuses mainly on shooting and passing practice. There is a lack of training of other important techniques,...
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Movement determinants of football performance
Michalanský, Dominik ; Šteffl, Michal (advisor) ; Kaľata, Maroš (referee)
Title Movement determinants of football performance Objectives A systematic review of the knowledge dealing with the determinants of sports performance in amateur, semi-amateur and proffesional football players. A comparison of the results of studies on speed and power. Methods The methods used in the development of this thesis was the analysis of relevant literature, studies and internet sources. Their subsequent description. The thesis is written in the form of a review study. To obtain relevant information, electronic databases pubmed.com, journals.plos.org, ncbi.nlm.nih.gov, tandfoonline.com, researchgaet.net, link.springer.com, lww.com and dspace.cuni.cz. The following words were used in the search: football, soccer, performance, strength, speed vertical jump. Results A total of 19 studies were selected for the review. Maximal average speed, when reaching an average speed above 30 km/h, largely does not affect motor performance. Players improve their movement and stress test results over the last 20 years. There is a strong correlation between speed and strength abilities. Key words football, speed, stregth, performance, study, vertical jump, CMJ, SJ, VJ Abstract
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