Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 46 for “"exercise tests"”.
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Influence of systolic blood pressure on ECG ST segment responses in exercise tests of adults without diagnosed CHD [i.e. CAD]
Records from treadmill maximal graded exercise tests (GXTs) for 61 patients from the Virginia Tech Intervention Center were screened for changes in systolic blood pressure. These blood pressure responses were standardized according to exercise demand (ΔSBP/MET) between three different levels of the …
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Force generating capacity of human muscle
… maximum force (% PF max) utilised during cycling exercise was determined within a group of trained and untrained subjects. Maximum forces were determined isokinetically and submaximum forces were measured during continuous progressive exercise tests.
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Incidence and implications of atypical exercise blood pressure responses in adults without diagnosed coronary heart disease
… from the initial symptom-limited maximal exercise tests of 161 patients without. diagnosed coronary heart disease (CHD). Subjects were grouped according to their systolic (SBP) and diastolic (DBP) blood pressure changes between the final two stages of exercise.
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Beyond the VO2max plateau a new approach for measuring maximal oxygen uptake
… of the "plateau phenomenon" during incremental exercise tests, in which O2 consumption levels-off in spite of increases in workload. This is thought to reflect a limitation in the capacity of the heart to pump O2 enriched blood to the exercising limbs. Some researchers however question not only …
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A comparative analysis of the heart rate-oxygen consumption relationship observed during Bruce protocol graded exercise stress tests and steady-state exercise
… observed during Bruce protocol stress tests were similar to those observed during steady-state exercise. In addition, maximal oxygen consumption and maximal heart rate values obtained during the stress tests were compared to predicted values. The heart rate-oxygen consumption …
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An investigation of RPE-heart rate and the RPE-lactate relationships in elite athletes
… RPE relationships with elite swimmers during exercise tests performed during in-season (IS) and off-season (OS) periods of training. The second study examined the effect of high ambient temperatures on the HRRPE and La-RPE relationship in elite cyclists during self-paced cycle tests. The third …
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Oxygen Uptake Kinetics in Severe Intensity Exercise
… domain. Sixteen volunteers performed a series of exercise tests at a range of intensities selected to elicit fatigue in ~3 to 10 min. A simple mono-exponential model effectively described the response across all intensities. There was a positive correlation between the response time and the time …
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Running Endurance in 27-hour Fasted Humans
<p>Nine male marathon runners were exercised to exhaustion to determine the effects of a 27-hour fast on endurance performance. Each subject completed two exercise tests at 72% peak oxygen uptake (Vo<sub>2</sub>max), one following a 27-hour fast and one three hours after a pre-exercise meal, in …
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Examination of a Self-Selected Speed Graded Exercise Test using an Automated Treadmill as a Valid Means to Measure VO2max
The use of graded exercise tests for measuring maximal oxygen consumption (VO2max) is common practice in cardiopulmonary medicine. Limitations to VO2max are still being debated despite the concept being founded nearly a century ago. It has been suggested that measuring VO2max using traditional …
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The Effect of Wearing Mouthguards on VO2, Ventilation, and Perceived Exertion at Two Different Exercise Intensities
… of wearing a protective mouthguard during exercise on ventilation and oxygen consumption. <br><strong><em>Design and Setting:</strong></em> All participants performed a graded maximal exercise test on a cycle ergometer to determine peak oxygen consumption (VO2peak). Each participant also …
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Cardiorespiratory responses to altered rider position with conventional and aerodynamic handlebars
… randomly assigned separate maximal ergometry tests using each position. Variables of interest were: heart rate (RR), systolic blood pressure (SBP), diastolic blood pressure (DBP) , rate pressure product (RPP) , oxygen consumption (V02), pulmonary ventilation (VI)' ventilatory equivalent …
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REIT here, REIT now : should the UK consider the introduction of a REIT-style vehicle
… vehicle within a mixed asset portfolio. The exercise tests the theory that the UK Public Limited Company is at a disadvantage to the American REIT and the Australian Listed Property Trust. Finally, an American REIT and an American C-Corporation are compared in a valuation exercise to assess …
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Effects of detraining on cardiorespiratory and metabolic responses after six weeks high-intensity cycling
… fitness during high constant-load (HCL) exercise tests in response to detraining. A central variable was the slow component VO₂ (SC); SC is defined as the difference between end-exercise VO₂ and 3-min VO₂ (Gaesser et a1. ESSR, 1996). Terminal heart rate (HR) and blood lactate (HLa) were …
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Ampligen therapy, exercise capacity and immune function in patients with chronic fatigue syndrome
… pathway, and results of serial cardiopulmonary exercise tests were examined for a total of seven subjects (n=7). A key finding was the normalization of RNase L. Only one subject demonstrated both a normalization in RNase L and increase in exercise performance. Trends in NK cell activity were …
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Methodological developments in the assessment of physiological responses to arm crank ergometry
… (2001 to 2007), focused upon arm crank ergometry exercise testing. A number of topical issues have been considered, including: 1) the development of fundamental exercise protocols; 2) the assessment of oxygen uptake (VO2) kinetics; 3) the assessment of external power production during sprint arm …
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Control strategies for functional electrical stimulation induced cycling
… of years to allow Spinal Cord Injured persons to exercise. Standard able bodied exercise tests are adapted and applied to paraplegic cyclists. A modified recumbent tricycle is instrumentated with an electric motor and sensors to measure cadence and the power produced by the cyclist at the crank. …
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The effect of 10 days of heat acclimation on submaximal exercise economy and efficiency at 1600 m and 4350 m
Heat acclimation is known to increase exercise economy. Previous examinations suggest heat acclimation may preserve performance at altitude. This study examined the effect of using heat acclimation as a cross environmental stressor to improve exercise economy and efficiency during acute exercise at …
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The effect of dietary standardisation on exercise performance and physiological responses in male athletes
… is not enough to achieve euhydration before exercise tests. This PhD adds essential information to the area of dietary standardisation and helps improve the quality of future research projects.
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Exercise response and the effect of supplemental oxygen during interval training on O2 uptake kinetics, blood lactate levels, and endurance performance in patients with mild, moderate and severe cystic fibrosis
Background: Exercise performance is reduced in individuals with moderate to severe cystic fibrosis (CF). A ventilatory mechanical limitation, arterial hypoxemia, cardiovascular abnormalities, alteration in O2 uptake kinetics and reduced muscle strength may contribute to the reduced exercise …
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