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Design of Handheld Anemometer
Valentová, Radka ; Rubínová, Dana (referee) ; Sládek, Josef (advisor)
This bachelor thesis deals with the design of a handheld anemometer. The main issues addressed are the ease of operation during use, the shaping for a more secure but ergonomic grip, the coherence of the shape of the anemometer in relation to the propeller and other parts. The design should meet both ergonomic and aesthetic requirements. The overall design of the shaping of the product is simple and functional. The handheld anemometer has a wide range of applications and can be used in other sectors besides sports and recreational activities.
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Design of Handheld Anemometer
Valentová, Radka ; Rubínová, Dana (referee) ; Sládek, Josef (advisor)
This bachelor thesis deals with the design of a handheld anemometer. The main issues addressed are the ease of operation during use, the shaping for a more secure but ergonomic grip, the coherence of the shape of the anemometer in relation to the propeller and other parts. The design should meet both ergonomic and aesthetic requirements. The overall design of the shaping of the product is simple and functional. The handheld anemometer has a wide range of applications and can be used in other sectors besides sports and recreational activities.
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Time-motion analysis of elite Czech sport climbers during Czech Lead Climbing Cup
Ježková, Ludmila ; Baláš, Jiří (advisor) ; Kodejška, Jan (referee)
Title: A time motion analysis of lead climbing of elite climbers in the competition route of Czech Cup. Objectives: The aim of this works is to perform time motion analysis of lead climbing of elite climbers in the competition route of Czech Cup. Methods: Data were collected by video recording. Observation criteria were set (total time, holding, quickdraw clipping, rest and chalking). 8 climbers were measured on the 10- UIAA difficulty route. Results: The average climbing time was 203 ± 32,6 s, the average holding time was 7,1 ± 0,8 s (total 161,3 ± 29,2 s), the average rets period was 1,2 ± 0,4 s (total 6,5 ± 3,3 s), the average quickdraw clipping time was 2,3 ± 0,4 s (total 24,9 ± 4,6 s), the average chalking time was 2,1 ± 0,6 s (total 16 ± 3,7 s) and the average hand-transfer time was 0,9 ± 0,2 s (total 38,4 ± 9,1 s). Climbers climbed 4,8 meters per minute. Conclusions: The static part almost four times prevails the dynamic part. There were no significant differences between right and left hand in our measurements. Keywords: holding, loading, rest, static phase, dynamic phase
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Changing of children body posture before entering elementary school
Holečková, Jana ; Dvořáková, Hana (advisor) ; Jahodová, Gabriela (referee)
The bachelor thesis deals with the problem of the posture of pre-school children. The aim was to found out the posture of two age similar groups of pre-school children at the beginning and at the end of the final year before entering the primary school and to verify if there are some changes in posture at this time period. I used two tests to assess the posture, perspective method Klein, Thomas and Mayer in combination with the build evaluation according to Jaros and Lomicek. I was gaining the research data also by the observation method of common day running in two pre-school institutions and by the method of half-structured interview with class teachers ofthese institutions. Research file formed two age similar groups of pre-school children, specifically children from the last year of a kindergarden and children from preliminary classes. The result of the research is the finding out that in the last year, before entering the primary school, come about negative changes at posture of the pre-school children and that points to the fact that even pre-school age is high risk from posture point of view. KEY WORDS Body posture evaluation Defective body posture Pre-school child Kindergarden Preliminary class Motion activity
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The issue of children´s beds at kindergartens
MARUŠOVÁ, Pavla
In my thesis I deal with a possible relation between the cots in nurseries and the increasing number of children with a poor posture. The aim is to map the condition of these cots and to determine the extent to which they sag if loaded. For my research I chose České Budějovice region, particularly two nurseries in České Budějovice and one nursery in Blatná.The theoretical part describes the development and function of the musculoskeletal system in the period from birth to 6 years of age and also depicts the growth of a preschool child's body. One of the chapters is devoted to the physical activity, which is an important instrument in the prevention of the improper organism development. Also, I describe the anatomical changes caused by the poor posture. An important part of the preschool child's daily program is the afternoon rest when children have to stay in beds. In my work I focus on the case of plastic beds where the standards are still very benevolent, although it is problematic. .The practical part consists of an objective measurement of the beds as well as data acquisition and its analysis with using of questionnaires. The research included 70 beds at three nurseries that have many years of experience with the plastic beds. Data were subsequently statistically evaluated.In my measurements, I was looking at the distance between the floor and the grate of the bed and how it changes without and with the load (the degree of sag). I registered the presence or absence of the mattress as well as the age of the bed, its manufacturer, storage of the beds and how they are handled in general. The collected data were used to confirm the original hypothesis: "The cots at the nurseries do not provide firm back support for children." To evaluate this hypothesis, the T test was used to calculate the statistical significance of sagging of the beds. The beds fitted into the range that has been designated by the recommended requirements for a solid back support. The null hypothesis is therefore not valid. The second hypothesis was evaluated using quantitative method of questionnaires. The questionnaires were completed by 154 respondents. This group was made up of parents of children from the three nurseries. The results showed that 98% of children of the questioned parents spend the afternoon rest time at the nursery in the bed. Statistical evaluation of the second hypothesis of the chi -square test confirmed: "More than two-thirds of the preschool children have no subjective symptoms related to the back pain." Even though statistically I cannot establish a link between the poor posture of children and the quality of the cots at nurseries, I came out with the finding that at two of the three nurseries they do not use mattresses, which leads to the greater degree of sag and also the sufficient thermal isolation is not provided. In the research, the children already diagnosed with the poor posture did occur; therefore it is necessary to look for other causes of their orthopedic problems. It should be mentioned that the pediatricians may improve the condition of children by the proper examination of the musculoskeletal system and not underestimating of the rehabilitative care. The system also includes professionals in the sphere of the protection of public health, who play the important role not only as the controllers, but mainly as the advisors.
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