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Comparison of methods of basal metabolism determination
Kosková, Martina ; Coufalová, Klára (advisor) ; Hráský, Pavel (referee)
Title: Comparison of individual methods of basal metabolism determination Objectives: The aim of the work is to compare the individual methods of basal metabolism. These values were measured by indirect calorimetry, plethysmography, bioelectric impedance and predictive equations. Methods: The research was attended by 31 people, including eight men and twenty-three women. All participants of my research were aged 21-30 years. None of the participants was a professional athlete, they were all healthy and none of the women were pregnant or had menstruation. The indirect calorimetry, bioelectronics impedance device Tanita MC - 980 and BOD POD were used to collect the data. Basal metabolic rates were calculated from the prediction equations by Harris & Benedict, Fleisch's equation and Schofield's equation using measured anthropometric values. Results: The results of the methods that have been used for this group of people vary, but the difference is not significant. If we choose as a reference method indirect calorimetry, we can't replace it by any other method. The results for other methods are not significantly different, so we can replace one method with another, except indirect calorimetry. From calculations, we also found out that fat free mass greatly influences the results of basal metabolic rate...
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Effect fo different sizes of wheels of in-line skates on energy expenditure
Sukovič, Richard ; Jindra, Matouš (advisor) ; Brtník, Tomáš (referee)
EFFECT OF DIFFERENT SIZES OF WHEELS OF IN-LINE SKATES ON ENERGY EXPENDITURE Objectives: The aim of this bachelor thesis is to determine the difference in energy expenditure when using different sizes of wheels of in-line skates. Methods: The research group consisted of 5 people in age 26,4 ± 2,2 years. This was an experiment. The calculation of energy expediture was based on the amount of oxygen consumption (VO2) and exhaled carbon dioxide (VCO2), i.e. indirect calorimetry. For the analysis of respiratory gases MetaMax 3B measuring device was used. Three sizes of wheels of the same hardness were tested. The rides were carried out on a 1,5 km section of a cycle path with the effect of the height difference of 2 mm/m. Probands completed one test ride (with a cadence of 70 rpm) on each size set of wheels. Test ride lasted for 5 minutes. For results were processed values of 3 minutes steady state VO2. Results: We found out a noticeable difference in energy output between 72 mm and 90 mm large wheels. The difference between driving on 72 mm and 80 mm large wheels and driving on 80 mm and 90 mm large wheels was, due to the standard error of measurement, insignificatnt. Conclusion: The energy expenditure reached a noticeable increase in driving with a larger diameter of wheels compared to driving on...
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Assessment of the Resting Energy Expenditure in Obese Individuals
Sadílková, Aneta ; Matoulek, Martin (advisor) ; Vilikus, Zdeněk (referee)
Introduction: Weight loss programs are based on inducing a negative energy balance by decreasing energy intake while increasing energy expenditure. Energy needs of obese patients are difficult to determine. The value of resting energy expenditure, as the largest component of the energy needs, is usually calculated to asses an adequate energy intake for obese patient. In clinical practice, predictive equations are most commonly used for this purpose, because of their simplicity, although many clinical studies have shown that in obese individuals they may generate errors large enough to impact the outcome of treatment. It leads to the prescription of an inadequate diet that does not meet the criterion of long-term sustainability. Objective: The aim of the thesis is to compare the values of resting energy expenditure (REE) measured by indirect calorimetry with values calculated with Harris-Benedict predictive equation in a selected group of obese individuals. Methods: The sample includes 38 subjects, 28 women and 10 men, patients of the General University Hospital in Prague. The average age is 48 ± 11,71 years, the mean BMI is 42,88 ± 9,09 kg/m2 . For each subject, resting energy expenditure was measured by indirect calorimetry and calculated by the Harris-Benedict predictive equation. Indirect...
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Body composition parameters in dependence on the metabolism degree in patients with COPD
Doleželová, Magdaléna ; Kovařík, Miroslav (advisor) ; Hronek, Miloslav (referee)
Charles University in Prague Faculty of Pharmacy in Hradec Králové Department of Biological and Medical Sciences Student: Magdaléna Doleželová Supervisor of master thesis: PharmDr. Miroslav Kovařík, Ph.D. Title of master thesis: Body composition parameters in dependence on the metabolism degrese in patiens with COPD Chronic Obstructive Pulmonary Disease (COPD) is a very serious illness characterized by incompletely reversible airflow obstruction and lung emphysema. Contributes to its overall severity are extrapulmonary manifestations, especially cachexia and loss of lean tissue mass. Chronic inflammation of the respiratory airways and increased respiratory effort cause the hypermetabolic state to some patients with COPD. This thesis investigates the impact of increased metabolism on body composition in patients with COPD. Our study included 50 COPD patients (38 men, 12 women) who were examined by bioelectrical impedance. In this study, we compared the parameters of body composition of men with resting energy expenditure REE > 130% (hereinafter Men over 130%) (n = 9) and the group of men with REE < 130 % (hereinafter Men below 130 %) (n = 29). In the group of Men over 130 % we found a lower average value of body weight by 18 % compared to Men below 130 %. Total body and intracellular water were 12 %...
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Effect of different types of bicycle tires on energy expenditure
Hejrová, Karolína ; Jindra, Matouš (advisor) ; Baláš, Jiří (referee)
Title: Effect of different types of bicycle tires on energy expenditure Objectives: The aim of this bachelor thesis is to determine the difference in energy expenditure when using different types of bicycle tires. Methods: The research group consisted of 5 males in age 26,4 ± 2,2 years. This was an experiment. The calculation of energy expediture was based on the amount of oxygen consumption (VO2) and exhaled carbon dioxide (VCO2), i.e. indirect calorimetry. For the analysis of respiratory gases MetaMax 3B measuring device was used. Three types of bicycle tires were tested. The test ride was carried out in laboratory on the cycling rollers. Probands completed one test ride (with a cadence of 80 rpm) on each type of tires. Test ride lasted on average 4:55 ± 1:50 min. For results were processed values of 4 minutes steady state VO2. Results: We found out the significant difference in energy expenditure between ride with road tires and ride with Fat Bike tires, and also between ride with trekking tires and ride with Fat Bike tires. The difference between ride with road and trekking tires was, due to the standard error of measurement, insignificant. Conclusion: The energy expenditure reached a significant increase while using tires with the largest contact patch compared to using tires with the smallest...
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The energetic cost of middle aged women during zumba lesson measured by indirect calorimetric method
Řehořková, Michaela ; Strejcová, Barbora (advisor) ; Bunc, Václav (referee)
Title: The energetic cost of middle aged women during zumba lesson measured by indirect calorimetric method Objectives: The aim of this study is to assess energy cost of the middle aged women during zumba exercise. Methods: A group of 6 women (age range 27-37 years) volunteered to participate in this study. To assess the maximal oxygen consumption, we used the running test to individual maximum. Each subject took part in six lessons of zumba in commercial fitness gym. Each subject was measured during 60 min long lesson. Results: The oxygen consumption of the whole zumba exercise was 19,5±2,2 ml.kg-1 .min-1 that is 68,4 % of the maximal oxygen consumption 40,1±7,4 ml.kg-1 .min-1 measured during running test. That exactly means a caloric expenditure 404,8 kcal (or 1692,2 kJ) during one lesson of zumba. The intensity of whole class reported by HR was covered by 67,5 % from HRmax and by Borg's rates of perceived exertion (6-20) with rates 14±2 from 18±2 immediately after the maximal running test. The highest energetic cost (336, 3 kcal, resp. 1405,9 kJ) was during the main part of the lesson. Zumba can be classified as moderately challenging type of exercise, which is good for fat burning; this statement is based on values of the heart rate measured during lessons of zumba. Key words: zumba, energetic...
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Utilisation of nutritive substrates at polytraumatic patients.
Valentová, Gabriela ; Hronek, Miloslav (advisor) ; Havel, Eduard (referee)
There are significant differences in the metabolism of nutritional substrates in polytrauma patients. The actual metabolic needs of the patient may not be achieved despite the guidelines and recommendations for energy supply in the parenteral and enteral form of nutrition are followed. Subsequently this may lead to the occurrence of complications. The aim of the study was to compare the energy intake of each nutrient substrate supplied with nutrition by finding the nutritional substrate utilisation value which is obtained from indirect calorimetry measurements in patients with multiple injuries at the surgical ICU 1 of the Hradec Králové Teaching Hospital. By comparing this data you can obtain the optimum value for the nutritional needs of the patients. In the study we used seven spontaneously breathing polytrauma patients, three women and four men, of an average age of 41±21 years. Utilisations of nutritive substrates of each patient were obtained by indirect calorimetry. Accurate information on the amount and composition of nutrition supplied over 24 hours was also obtained. The patients received an average of 3.80±1.40 g/kg/day of carbohydrates, 1.03±0.56 g/kg/day of lipids and 1.40 ± 0.44 g/kg /day of proteins. The total energy intake was on average 30.94±11.03 kcal/kg/day. In six of seven...
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Energy expenditure in Zumba
Řehořková, Michaela ; Baláš, Jiří (advisor) ; Bunc, Václav (referee)
The main objective of this study was to assess the energy demand of Zumba. The energy demand was determined by the indirect calorimetry. Four middle-ages women experienced in zumba participated in the study. A walking test untill the individual maximal exhaustion was performed on a treadmill to determine the relationship between heart rate, pulmonary ventilation and oxygen consumption. The energy expenditure of zumba was undertaken during 3 lessons, which took place at intervals of 3-5 days. We found an average oxygen consumption of 25,73 ± 0,95 ml.min-1 .kg-1 , which corresponded to the energy expenditure of 0,55 ± 0,03 kJ.min-1 .kg-1 . Therefore, we consider Zumba as the activity with high energy demand.
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Thermal comfort and its estimation
Žáková, Monika ; Vondra, Vlastimil (referee) ; Nováková, Zuzana (advisor)
This paper summarizes the problems of human thermoregulation and its measurement, with a focus on the method of indirect calorimetry in resting conditions at different ambient temperatures and during physical activity. It also introduces the issue of human thermal comfort and the methodology of its monitoring using thermal manikin. It describes PowerCube Ergo (Ganshorn, Germany) and Cardiovit AT-104 (Schiller, Switzerland), the diagnostic devices used to spiro-ergometry measurements. It introduces the options to export data. The work proposes the protocol for measuring the thermoregulation of the small group of volunteers, which is realized by the practical part. According to the same protocol is monitored thermal comfort of the thermal manikin. In MATLAB is created the application, allowing clear analysis of measurement records. The data are evaluated and discussed.
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