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The energy performance at the growth rate in ski-mountaineering
Hepnar, Jan ; Vomáčko, Ladislav (advisor) ; Jindra, Matouš (referee)
Title The energy performance at the growth rate in ski-mountaineering Objectives Measure group skialpinists of different ages and performance of the ski-mountaineering simulator with a gradient 21ř and speed 1,4 km/h to 5,4 km/h with increasing 0,4 km/h in every minute. Determine their energy expenditure in different speeds as the speed increases and with constant slope. Methods Seven ski-mountaineerers of different levels were testing in laboratory of ski-mountaineering simulator. We calculate of maximum oxygen consumption and anaerobic threshold. Results The probands attained average energy expenditure 8,18 kJ per minute at the end of the first minutes and they attained average energy expenditure 29,32 kJ per minute at the end of the 10th minutes. The average energy expenditure of probands increased by 2,35 kJ per minute an average with a standard deviation 0,69 kJ per minute. Keywords ski-mountaineering, heart rate, oxygen consumption, ski-mountaineer trainer.
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Involvement of the arms during ski-mountaineering according to different slope inclinations.
Zemanová, Markéta ; Jindra, Matouš (advisor) ; Gnad, Tomáš (referee)
Title of the thesis: Involvement of the arms during ski-mountaineering according to different slope inclinations. Objectives: The objective of the bachelor thesis is to find out the difference of strain makes to poles during ski-mountaineering depending on slope and constant speed. Methods: The study is designed like a pilot study. 8 persons were chosen for this measurement. It was an experiment. The research was realized in a laboratory. Results: Results of study confirm our scientific question. Pressure in the poles increased when the angle of slope is increasing during ski- mountaineering. Angle 10ř of slope showed at an average 42,3% more pressure makes to poles than angle 0ř. Angle 20ř of slope showed at an average 12,8% more pressure makes to poles than angle 10ř. Key words: Ski-mountaineering, strain-gauge transducer, pressure
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Comparison of universal and specific functional stress tests of ski- mountaineerers
Formánková, Dita ; Vomáčko, Ladislav (advisor) ; Heller, Jan (referee)
Title: Comparison of universal and specific functional stress tests of ski-mountaineerers. Objectives: The aim of the thesis is to compare maximal functional parameters of ski-mountaineerers measured during three functional laboratory stress tests. The functional stress tests were set on a treadmill, bicycle ergometer, and on a ski-mountaineer trainer. Consecutively, there is evaluated the meaning of testing of the functional parameters on the ski-mountaineer trainer. Methods: Interindividual and intraindividual descriptive study of 10 ski-mountaineerers of middle and high level performance. Results: The respondents reached the average value of VO2max 63,3 ml.kg-1 .min-1 on the ski-mountaineer trainer, 67,5 ml.kg-1 .min-1 on a treadmill and 66,5 ml.kg-1 .min-1 on a bicycle ergometer. The average measured HR on the ski-mountaineer trainer was 179 heartbeats/min, on the treadmill 185 heartbeats/min and on the bycicle ergometer 183 heartbeats/min. The average value of R reached the value of 1,09 on the ski-mountaineer trainer, 1,18 on the treadmill and 1, 19 on the bycicle ergometer. The highest measured value of VO2max reached on the treadmill was 79,3 ml.kg-1 .min-1 , the bycicle ergometer enabled to reach maximum 76,5 ml.kg-1 .min-1 and the highest value reached on the ski-mountaineer trainer was...
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Involvement of the arms during ski-mountaineering according to different slope inclinations.
Zemanová, Markéta ; Jindra, Matouš (advisor) ; Gnad, Tomáš (referee)
Title of the thesis: Involvement of the arms during ski-mountaineering according to different slope inclinations. Objectives: The objective of the bachelor thesis is to find out the difference of strain makes to poles during ski-mountaineering depending on slope and constant speed. Methods: The study is designed like a pilot study. 8 persons were chosen for this measurement. It was an experiment. The research was realized in a laboratory. Results: Results of study confirm our scientific question. Pressure in the poles increased when the angle of slope is increasing during ski- mountaineering. Angle 10ř of slope showed at an average 42,3% more pressure makes to poles than angle 0ř. Angle 20ř of slope showed at an average 12,8% more pressure makes to poles than angle 10ř. Key words: Ski-mountaineering, strain-gauge transducer, pressure
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Energy expenditure in ski mountaineering, depends on the carrying or pulling loads
Punčochář, Michal ; Jindra, Matouš (advisor) ; Brtník, Tomáš (referee)
Title of the thesis: Energy expenditure in ski mountaineering, depends on the carrying or pulling loads. Objectives: The aim of the study was to determine energy expenditure when compared skialpinism carrying or pulling loads. Methods: The study was attended by 9 men at an average age of 23.22 ± 3, who had previously had a skialpinist ski experience. It was an experiment. The amount of energy output was measured by indirect calorimetry, based on inhaled oxygen (O2) and exhaled carbon dioxide (CO2). The MetaMax 3B instrument was used to analyze inhaled and exhaled gases. Testing took place on a plane where everybody pulled 6-minute 15kg sleigh and then carried a 6-minute 15kg backpack at a speed of 4.5 km / h. Results: In 8 of the 9 tested, there was less energy expenditure when pulling the load on sleds than carrying it in the backpack. In 5 of the 9 tested, the difference between pulling and carrying was greater than the average difference of 4.57 kJ / min. For the three tested, the minimum differences between sleighs and backpack were minimal. One tested had a higher energy expenditure when pulling the load than when carrying it, but the difference was minimal. Key words: Energy demand, Ski-mountaineering, Carrying the burden
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The energy performance at the growth rate in ski-mountaineering
Hepnar, Jan ; Vomáčko, Ladislav (advisor) ; Jindra, Matouš (referee)
Title The energy performance at the growth rate in ski-mountaineering Objectives Measure group skialpinists of different ages and performance of the ski-mountaineering simulator with a gradient 21ř and speed 1,4 km/h to 5,4 km/h with increasing 0,4 km/h in every minute. Determine their energy expenditure in different speeds as the speed increases and with constant slope. Methods Seven ski-mountaineerers of different levels were testing in laboratory of ski-mountaineering simulator. We calculate of maximum oxygen consumption and anaerobic threshold. Results The probands attained average energy expenditure 8,18 kJ per minute at the end of the first minutes and they attained average energy expenditure 29,32 kJ per minute at the end of the 10th minutes. The average energy expenditure of probands increased by 2,35 kJ per minute an average with a standard deviation 0,69 kJ per minute. Keywords ski-mountaineering, heart rate, oxygen consumption, ski-mountaineer trainer.
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Effect of ski-mountaineering equipment on energy expenditure of skiing
Smětáková, Martina ; Baláš, Jiří (advisor) ; Jindra, Matouš (referee)
Title of master thesis Effect of ski-mountaineering equipment on energy expenditure of skiing. Work objectives The aim of this study was to determine the effect of weight ski equipment energy performance when walking on snow. Methods The study included 6 skialpinists a mean age of 30 ± 5.5 years. Energy intensity was measured on the basis of breathe oxygen (VO2) and exhaled (VCO2). The measurements were used 3 types of ski-hiking equipment (light - medium x 3160 g - 7754 g x heavy - 9600 g). Each test first completed section in a time of 6 minutes flat terrain (0ř), after which he immediately set out to climb the 360 m long route at an angle (20ř). These two sections (0ř and 20ř) graduated in random order for each type of equipment and at a constant speed of 1 m·s-1 . Results The results show that energy intensity decreases significantly when using ultralight ski equipment. We found that the climb at an angle of 20ř is the difference in oxygen consumption (VO2) between moderate and light equipment 9.6% between heavy and light equipment 17.7% and medium-heavy and heavy equipment 7,4%. The average VO2 test with light equipment was 44.4 ± 3.7 ml·kg-1 ·min-1 , with moderate equipment 48.7 ± 5.6 ml·kg- 1 ·min-1 and heavy equipment 52.2 ± 4.8 ml·kg-1 ·min-1 . At 0ř inclination and moderate use of heavy...
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Comparison of universal and specific functional stress tests of ski- mountaineerers
Formánková, Dita ; Vomáčko, Ladislav (advisor) ; Heller, Jan (referee)
Title: Comparison of universal and specific functional stress tests of ski-mountaineerers. Objectives: The aim of the thesis is to compare maximal functional parameters of ski-mountaineerers measured during three functional laboratory stress tests. The functional stress tests were set on a treadmill, bicycle ergometer, and on a ski-mountaineer trainer. Consecutively, there is evaluated the meaning of testing of the functional parameters on the ski-mountaineer trainer. Methods: Interindividual and intraindividual descriptive study of 10 ski-mountaineerers of middle and high level performance. Results: The respondents reached the average value of VO2max 63,3 ml.kg-1 .min-1 on the ski-mountaineer trainer, 67,5 ml.kg-1 .min-1 on a treadmill and 66,5 ml.kg-1 .min-1 on a bicycle ergometer. The average measured HR on the ski-mountaineer trainer was 179 heartbeats/min, on the treadmill 185 heartbeats/min and on the bycicle ergometer 183 heartbeats/min. The average value of R reached the value of 1,09 on the ski-mountaineer trainer, 1,18 on the treadmill and 1, 19 on the bycicle ergometer. The highest measured value of VO2max reached on the treadmill was 79,3 ml.kg-1 .min-1 , the bycicle ergometer enabled to reach maximum 76,5 ml.kg-1 .min-1 and the highest value reached on the ski-mountaineer trainer was...
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