National Repository of Grey Literature 71 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
The effect of sauna on the changes of blood pressure
Benko, Michal ; Bunc, Václav (advisor) ; Heller, Jan (referee)
Title: The effect of sauna on the changes of blood pressure Objectives: The aim of this study was the measure of the physiological range (blood pressure, heart rate, blood oxygen saturation) of two selected groups of people within the sauna cycle, assess changes and compare the results of individual probands and groups. Methods: This thesis is conducted as an experimental study. This is a quantitative method, in that will be at first established hypotheses and then evaluated on the basis of the obtained results. The independent variable in this research is the sauna and dependent variables are blood pressure, heart rate and blood oxygen saturation. Results: Blood pressure values were at employee of sauna lower than at other probands, thereby was confirmed hypothesis, but expected significant differences between the measured values of each group were absent. At the same time there was a further confirmation of the hypothesis concerning heart rate, which was increased at all probands. The last confirmed hypothesis related to the blood oxygen saturation and its reduce after the sauna. It could be said that all the defined hypotheses were confirmed. Keywords: sauna, blood pressure, heart rate, blood oxygen saturation, cardiovascular system
The Possible Assessments of Unprofessional Exposures of Low Frequency Noise
Potužníková, Dana ; Fiala, Zdeněk (advisor) ; Bencko, Vladimír (referee) ; Argalášová, Ĺubica (referee)
v anglickém jazyce The possible assessments of unprofessional exposures of low frequency noise Introduction: Along with technical development, the number of sources of low frequency noise increases in the human environment and the number of complaints from people exposed to noise from these sources increases as well. The statutory limit for non-professional exposure to low frequency noise has not yet been established (due to the limited amount of data on low frequency noise exposure risks) in the EU countries (USA) and no WHO recommendations have been issued in this area. For these reasons, the hygienic limit for municipal/non-professional exposure to low frequency noise was not specified in the Czech Republic. Objecticve: The present dissertation thesis was to investigate whether the short-term experimental exposure to low frequency noise with the tonic component induces significant changes in the circadian rhythm of cortisol and alpha-amylase in saliva in the experimental set of volunteers. Saliva is a biological material that allows low-invasiveness collection. The work was supposed to assess whether possible changes could be used as objective indicators of the presence of the stress response to the noise exposure. Material and metods: An experimental study was conducted on a set of 100...
The impact of ambient temperature on exertion parametres and their dynamics
Bělohlávek, Jiří ; Procházka, Michal (advisor) ; Slabý, Kryštof (referee)
The aim of the work was comparing physiological mechanisms of mainly cardiopulmonary and respiratory system given different temperatures. The outcome will be review article bringing together studies, which are commonly focused just on one temperature extreme, therefore offering complex overview of the issue. The review article will be completed with realization of own experiment. Powered by TCPDF (www.tcpdf.org)
Evaluation of results using different methods of experimental measuring of blood pressure amongst students of the First Faculty of Medicine of the Charles University
Sova, Jan ; Kymplová, Jaroslava (advisor) ; Jirsa, Jan (referee)
During the projects from biophysics of freshman students of the Faculty of Medicine the pressure measurement is run by several different methods; palpation, auscultatory and digital method. Students are learning to record the measurement in a systematic way, and they are learning to compare the results of every method to each other. The measurement of systolic and diastolic pressure are dependent on each other of course, as well they are dependent on the set of biometric and other information that is well available in healthy students (sex, height, weight, physical strain etc.). The aim of the thesis is to compare the results acquired by the methods of measurement mentioned above, related to the accuracy of the scattering of the measurement and related to the anticipated standard values of healthy individuals. The basis of the thesis is going to be project and creation of the regression model for the levels of systolic/diastolic pressure measured out that is dependent on biometric data along with the testing of statistical importance of parametres through the procedure of multifactorial ANOVA for the repeated measurement. The result will aim to show both advantages and disadvantages of different methods of the pressure measurement during accordingly varying conditions of experiments. The thesis...
Possibilities of influencing blood pressure in spinal cord injury patients during verticalization
Věchetová, Tereza ; Schreier, Bronislav (advisor) ; Slabý, Kryštof (referee)
Orthostatic hypotension is a common problem for individuals with spinal cord lesions, especially in the acute period after spinal cord injury. The first part of this study deals with the theoretical analysis of the pathophysiology of cardiovascular control after spinal cord injury, the definition of orthostatic hypotension and its inclusion within the classification of the syncopal conditions. An important part of the theoretical part is the management of orthostatic hypotension, which brings non-pharmacological therapeutic approaches, and marginally pharmacology, to decrease the severity of this condition. The experimental part focuses on testing of a group of probands with spinal cord injury (11 quadriplegics) on two different types of tilt tables according to the same protocol. The first tilt table is a standard; the second one is Erigo, tilt table with integrated robotic mechanism, which moves the legs to simulate walking. The parameters, such as blood pressure, heart rate, oxygen saturation, and the occurrence and severity of pre-synkopal symptoms, were compared. The study is based on the assumption that passive leg movement, which is mediated by the Erigo, will maintain venous return, cardiac output, and a significant drop in blood pressure and development of orthostatic hypotension,...
Effect of regularly applied nordic walking on selected cardiorespiratory parameters in adults after heart valve surgery
Tejnecká, Michaela ; Daďová, Klára (advisor) ; Malá, Michaela (referee)
Author: Bc. Michaela Tejnecká Title: The effect of regularly applied Nordic walking on selected cardiorespiratory parameters in adults after heart valve surgery. Aim: The aim of this work was to analyze the effect of six months of Nordic walking intervention on selected casrdiorespiratory parameters in adults after heart valve surgery. Methods: The study included ten individuals (mean age 62 years) who were at least five years apart after heart valve surgery. Blood pressure (BP) was measured using a pulsed wrist tonometer, blood oxygen saturation (BOS) and heart rate (HR) were measured using a pulse oximeter, and the ejection fraction of the heart (EF) was evaluated echocardiographically. Nordic walking training units took plaxe once a week for 6 months. During this intervention, the level of training gradually increased both in distance and elevation of the terrain. Results: In all probands there was an average reduction in systolic blood pressure during exercise by an average of 10,3 mmHg and a reductionin heart rate during exercise by an average of 24 beats per minute. The resting ejection fraction increased by an average of 5,5% after six month intervention. These changes were statistically significant (p<0,01). The results of the work point to the benefits of Nordic walking for cardiac...
Influence of cervical spinal cord lesion on cardiovascular fitness
Machač, Stanislav ; Kolář, Pavel (advisor) ; Vilikus, Zdeněk (referee) ; Nováková, Marie (referee)
Traumatic damage to the cervical spinal cord has a dramatic impact on determinants affecting cardiovascular fitness. In tetraplegia, in addition to diminished skeletal muscle function, impaired sympathetic cardiovascular innervation together with a dysfunction of catecholamine release is typically present. Individuals with tetraplegia are at a high risk of long-term inactivity, which increasingly contributes to the development of common civilization diseases. The aim of the current dissertation project is to investigate the cardiovascular fitness in males with cervical spinal cord injury (n=20) as compared to able- bodied males (n=27). Both groups completed exercise testing on an arm-crank ergometer. Arterial blood pressure response to exercise, peak oxygen consumption and peak heart rate were the primary outcome variables. In the first part of the study, a graded maximal arm- crank ergometer test to the subjective exhaustion was performed for the inter-group peak exercise comparison. The peak power dramatically differs between the groups and could be an important confounding factor limiting the evaluation of a physiologic response related to the equivalent physical loading. Therefore, in the second part of the study, individuals of the control group completed a second graded arm-crank ergometer...
Effect of regularly applied nordic walking on selected cardiorespiratory parameters in adults after heart valve surgery
Tejnecká, Michaela ; Daďová, Klára (advisor) ; Malá, Michaela (referee)
Author: Bc. Michaela Tejnecká Title: The effect of regularly applied Nordic walking on selected cardiorespiratory parameters in adults after heart valve surgery. Aim: The aim of this work was to analyze the effect of six months of Nordic walking intervention on selected casrdiorespiratory parameters in adults after heart valve surgery. Methods: The study included ten individuals (mean age 62 years) who were at least five years apart after heart valve surgery. Blood pressure (BP) was measured using a pulsed wrist tonometer, blood oxygen saturation (BOS) and heart rate (HR) were measured using a pulse oximeter, and the ejection fraction of the heart (EF) was evaluated echocardiographically. Nordic walking training units took plaxe once a week for 6 months. During this intervention, the level of training gradually increased both in distance and elevation of the terrain. Results: In all probands there was an average reduction in systolic blood pressure during exercise by an average of 10,3 mmHg and a reductionin heart rate during exercise by an average of 24 beats per minute. The resting ejection fraction increased by an average of 5,5% after six month intervention. These changes were statistically significant (p<0,01). The results of the work point to the benefits of Nordic walking for cardiac...
Comparison of the systolic blood pressure rise by semi-knee-bend and leg press with identical weight
Mátlová, Barbora ; Radvanský, Jiří (advisor) ; Procházka, Michal (referee)
In this bachelor thesis I dealt with interconnection of resistance training and blood pressure. In the theoretic part there are findings about resistance training chosen by physiologic aspects connected and description of squad or legpress. For this purpose there was the research of 15 young and healthy probands in the age of 20-25 performed. There were 4 measuring days with 10 days interval within. The explored elements were two basic excercises: half-squad and legpress. The resting blood pressure and the heart frequency of probands were measuered for both excersise in 3 series. The main goal of the thesis is to map the influences of these chosen excercises on systolic blood pressure and processing of theoretic findings. The zero hypothesis was the assumption of no-showing differences of answers on systolic blood pressure and heart frequency with chosen weigh. The zero pressure was rejected with statical significance.
Effect of weight reduction on blood lipids and some other risk factors of ischemic heart disease
Zdeňková Kroužková, Pavlína ; Zlatohlávek, Lukáš (advisor) ; Altschmiedová, Tereza (referee)
This bachelor thesis is focused on the effect of weight reduction on the level of total cholesterol, triglycerides, waist circumference and blood pressure. The effect of education, or changes in dietary and regime habits on weight, blood lipid levels (total cholesterol and triglycerides), waist circumference and blood pressure were monitored in a group of educated persons. The work is divided into two parts. The theoretical part contains information about obesity, ischemic heart disease, risk factors for these diseases, their prevention and therapy. The practical part of the bachelor's thesis is devoted to monitoring dedicated a group of patients who decided to lose weight by changing dietary and dietary habits. At baseline, patients were measured on by the Accutrend for total cholesterol, triglycerides, waist circumference, and blood pressure. The subjects were educated about the dietary regime and subsequently followed the recommended measures. Repeated measurements of all monitored indicators were performed after three months, when the effect of weight reduction on the monitored parameters was evaluated. After three months, all subjects demonstrated on average weight loss of 11.9 kg, BMI lowered by 3.94 kg / m2, and waist circumference parameters reduced on 8.9 cm. Systolic pressure decreased by...

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