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Kreislauf und Sport /Leyk, Dieter. January 1995 (has links)
Zugl.: Köln, Dt. Sporthochsch., Diss., 1995.
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Physiologische Ursachen für das Verhalten belastungsspezifischer EKG Charakteristika im Vergleich zu anderen Kenngrößen der BelastungFikenzer, Sven 02 February 2009 (has links) (PDF)
Das EKG ist ein etabliertes und einfach durchzuführendes diagnostisches Routineverfahren. Belastungsuntersuchungen in denen das EKG beispielsweise Aufschluss über myokardiale Ischämien und Rhythmusstörungen geben kann, belegen den hohen diagnostischen Stellenwert des EKGs. Die Veränderungen der Parameter des EKGs sind charakteristisch und unterliegen dabei den unterschiedlichen physiologischen Bedingungen. Die vorliegende prospektive klinische Untersuchung beschäftigt sich mit der Fragestellung, welche physiologischen Bedingungen für diese Veränderungen ursächlich verantwortlich sind. Dazu wurden 10 männliche Probanden in 2 doppelten Stufen- und 2 Dauertests mit und ohne ß-Blockade untersucht. Es konnte festgestellt werden, dass in Ruhe und bei intensiver Belastung die ß-Blockade eine Wirkung hatte, was auf einen relevanten Einfluss des Sympathikus schließen lässt. Bei leichter und mittlerer Belastung und in der unmittelbaren Nachbelastungsphase waren hingegen keine Unterschiede in den Tests ohne und mit ß-Blockade festzustellen. Deshalb ist die Annahme plausibel, dass die Regulation der Herzfunktionen durch den Parasympathikus stattfindet, während der Sympathikus hier lediglich eine ergänzende Modulationsfunktion hat. Grundsätzlich unterstützt dies insgesamt die Theorie der zentralen Mitinnervation, die nach den vorliegenden Ergebnissen allerdings vorrangig in der Bedeutung des Parasympathikus und nachrangig in der des Sympathikus liegt.
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Physiologische Ursachen für das Verhalten belastungsspezifischer EKG Charakteristika im Vergleich zu anderen Kenngrößen der BelastungFikenzer, Sven 27 January 2009 (has links)
Das EKG ist ein etabliertes und einfach durchzuführendes diagnostisches Routineverfahren. Belastungsuntersuchungen in denen das EKG beispielsweise Aufschluss über myokardiale Ischämien und Rhythmusstörungen geben kann, belegen den hohen diagnostischen Stellenwert des EKGs. Die Veränderungen der Parameter des EKGs sind charakteristisch und unterliegen dabei den unterschiedlichen physiologischen Bedingungen. Die vorliegende prospektive klinische Untersuchung beschäftigt sich mit der Fragestellung, welche physiologischen Bedingungen für diese Veränderungen ursächlich verantwortlich sind. Dazu wurden 10 männliche Probanden in 2 doppelten Stufen- und 2 Dauertests mit und ohne ß-Blockade untersucht. Es konnte festgestellt werden, dass in Ruhe und bei intensiver Belastung die ß-Blockade eine Wirkung hatte, was auf einen relevanten Einfluss des Sympathikus schließen lässt. Bei leichter und mittlerer Belastung und in der unmittelbaren Nachbelastungsphase waren hingegen keine Unterschiede in den Tests ohne und mit ß-Blockade festzustellen. Deshalb ist die Annahme plausibel, dass die Regulation der Herzfunktionen durch den Parasympathikus stattfindet, während der Sympathikus hier lediglich eine ergänzende Modulationsfunktion hat. Grundsätzlich unterstützt dies insgesamt die Theorie der zentralen Mitinnervation, die nach den vorliegenden Ergebnissen allerdings vorrangig in der Bedeutung des Parasympathikus und nachrangig in der des Sympathikus liegt.
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Srovnání maximální tepové frekvence při běhu, na bicyklovém ergometru a při plavání / Comparison of maximum heart Rate while running, on a bycikle ergometer and swimming.Májková, Tereza January 2015 (has links)
Theoretical part of this thesis is focused on a heart rate, especially its parameters, measurement methods and regulation. Moreover describes maximal heart rate issue. Practical part was performed as an experimental measurement of maximal heart rate level of 40 healthy adult probands (20 men and 20 women) between the ages of twenty and forty. Maximal heart rate was measured by telemetry meter FT4 Polar ® in 3 types of exercise tests - running, ergometer cycling and swimming. Results were statistically processed. Study confirmed significant differences in maximal heart rate during running, ergometer cycling and swimming. Highest heart rate was reached while running for 95% of measured volunteers and the lowest heart rate was reached during swimming for 98% of probands. The objective of this thesis was a comparison of reached heart rates during different exercise tests and highlight the evidence of dissimilar maximal heart rate during different exercises. Powered by TCPDF (www.tcpdf.org)
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Srovnání zátěžových protokolů / Comparison of different exercise protocolsSimonianová, Lucie January 2018 (has links)
The aim of this thesis was to summarize current findings about exercise testing. The main goal was to evaluate protocols used in daily practice, their indications and benefits, comparability and parameters that can influence the results. The purpose of the practical part was to compare the maximal values of physiological parameters (heart rate, VO2, minute ventilation, RER, power output and rated perceived exertion) for the two most commonly used protocols for bicycle ergometry tests in the Czech Republic. We compared ramp (1/3W.kg-1 .min-1 ) and step (1W.kg-1 every 3 min) incremental protocols to exhaustion. Thirteen young, healthy and physically fit subjects (9 males and 4 women aged from 20 to 31 years) underwent two tests in separate occasions, during which they performed the protocols in random order. Paired t-test was used to statisticaly analyze the data. We found no statisticaly significant differences in these maximal values except for the exercise test time. We deduced some practical benefits of each protokol from obtained data.
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Srovnání metody NIRS a dalších metod k určení anaerobního prahu / Comparison of NIRS and other methods to determine anaerobic thresholdŠimon, Jan January 2017 (has links)
The aim of this study was to compare NIRS (Near-infrared spectroscopy) and respiratory parameters measurement in determination of anaerobic treshold. Additionally changes in muscle oxygenation (SmO2) were described during incremental bicycle excercise. Fifteen subjects, 9 men and 6 women took part in this study. To verify the reliability of the measurement, the experiment was performed in the form of a test/retest with a few day's delay. The value of SmO2 was measured in m. gastrocnemius lateralis and m. vastus lateralis. In addition, respiratory parameters and pulse rate were recorded during the examination. The data obtained show that the breakpoint in the SmO2 dynamics determined by the NIRS method means that the excercise intensity above the anaerobic threshold is reached, because the breakpoint is located in the area of the Respiratory Compensation Point. In the SmO2 parameter, it is also possible to monitor the equilibrium state during the rest phase. The SmO2 parameter after the ramp log terminates exceeds the value in the rest phase, and returns to the quiescent value usually within 2 minutes. The test/re-test method has verified the reliability of the measurement.
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Tepelný komfort a jeho stanovení / Thermal comfort and its estimationŽáková, Monika January 2015 (has links)
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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Porovnání výsledků aerobní zátěžové diagnostiky při jízdě na slalomovém kajaku s klikovou ergometrií horních končetin. / Comparison of the results of aerobic exercise testing while kayaking and crank ergometry of upper limbsBusta, Jan January 2015 (has links)
Title: Comparison of the results of aerobic exercise testing while kayak paddling whith crank ergometry of upper limbs. Aims: The aim of the study was to determine the relationship between the results of aerobic execise diagnostics of 6 elite kayakers (white water slalom) when paddling of flat water with crank ergometry of upper limbs. The results obtained when paddling on flat water were also compared with results obtained when paddling in the pool with counter (bachelor thesis). Based on the results we wanted to answer the question about the possible use specific forms of stress diagnosis (spiroergometry) in routine practice of training proces. Methods: We used standardized laboratory spiroergomtry stress test at crank ergometry of upper limbs and spiroergometry stress test when paddling on flat water of the same protocol. To obtain the functional values of physiological indicators in both test we used mobile spiroergometry equipment Cortex Metamax 3B and sporttester Polar. Feedback of probands were identified based on suervey with closed questions. Results: Testing kayakers reached when paddling on flat water the average functional values: heart rate (HR) 188,5 (±8,77) beats per minute, maximal oxygen uptake (VO2max.) 56 ml.kg.min-1 (±6.31); maximum ventilation (VMAX.) 127.31 l.min-1 (±15.16);...
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Vliv funkční elektrické asistované ergometrie na průměr svalu, dusíkovou a vodní bilanci kriticky nemocných / Effect of Functional Electrical Stimulation-Assisted Ergometry on Muscle Cross-Sectional Diameter, Nitrogen and Fluid Balance in Critically IllHejnová, Marie January 2019 (has links)
Author: Bc. Marie Hejnová Title: Effect of Functional Electrical Stimulation-Assisted Ergometry on Muscle Cross-Sectional Diameter, Nitrogen and Fluid Balance in Critically Ill Objectives: The aim of this thesis was to investigate the effect of functional electrical stimulation-assisted cycling ergometry (FES-CE) on cross-sectional diameter of the quadriceps femoris (QF) muscle of both lower extremities in critically ill patients. Another objective was to evaluate if the measured values are responding to the changes in muscle tissue or are caused by an oedema. Methods: The intervention group received daily intensified physical therapy and FES-CE. We measured cross-sectional diameter of the QF muscle repeatedly by a diagnostic ultrasound. We recorded daily nitrogen balance to objectivize catabolism of muscle and fluid balance to objectivize amount of cumulative fluid. Results: The total of 115 patients were evaluated. Average decrease of cross-sectional diameter of QF muscle in the intervention group was 0.020 ± 0.070 cm/day, in the control group it was 0.017 ± 0.084 cm/day (p = 0.87). We registered an opposite result from the eighth day onwards, the intervention group had average decrease 0.025 ± 0.047 cm/day and the control group 0.040 ± 0.076 cm/day (p = 0.38). The nitrogen intake was...
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