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 40 for “"time to exhaustion"”.
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The ergogenic effect of transcranial direct current stimulation on cycling time to exhaustion task performance in physically active people.
… inevitably induces muscle fatigue, which leads to task failure. It is considered that the brain plays a key role during the regulation of endurance exercise performance. It is believed that exercise-induced muscle fatigue elicits a reduction in motor cortex excitability, spinal excitability, and …
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The Effect of Uncompensable Heat Stress On Fatigue, Physiological, and Perceptual Measures
… in the heat.</p> <p><strong>Objective:</strong> To examine the effects of uncompensable heat stress on physiological and perceptual measures and time to exhaustion. Design: Randomized, crossover design. <p><strong>Setting:</strong> Exercise physiology laboratory.</p> <p><strong>Patients or Other …
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Determination of static contraction times to exhaustion for given percentages of a 1 Rm in the bench press, leg press, and pulldown exercises
The purpose of this study was to determine the time to exhaustion based on percentages of the 1 RM in the bench press, leg press, and pulldown exercises. Eleven healthy males, age 27.7 +/- 5.5 years, volunteered for the study to compare the strength differences between their maximum isotonic …
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Comparing Hyperhydration Ability between a Glycerol Solution and a Sodium Solution on Dehydration and Performance in Runners
<p>The purpose of this study was to examine how inducing hyperhydration with a glycerol solution and a sodium solution prior to exercise influenced performance and hydration status during a moderate set-intensity exercise bout followed by a time-to-exhaustion bout when compared to a control …
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The Effect of a Bcaa Supplement with and without Cho on Performance in Recreationally Trained Cyclists
The purpose of the current study was to examine the effect of a branched- chain amino acid (BCAA) supplement with and without carbohydrate (CHO) on performance in competitive cyclists. Subjects were recruited from the GSU cycling team (n=6). Each subject's maximal oxygen uptake (VO2 max) was …
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Revisiting the Power-duration Relationship and Developing Alternative Protocols to Estimate Critical Power Parameters
… Power concept is used extensively in sport to characterize an individual's fitness by estimating the anaerobic and the aerobic component of the energy system, anaerobic work capacity (W') and Critical Power (CP). The model makes an assumption that all types of athlete have the same pattern …
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Pre-exercise Fueling and Endurance: Effect of a Pre-exercise Almond-raisin Beverage versus a Commercial Sports Beverage on Performance in Trained Male Runners
<p>Aside from genetics and training, no factor plays as important a role in exercise performance as nutrition. What athletes consume before exercise longer than 60 min influences fuel use, perceived exertion (RPE), heart rate (HR) and time-to-exhaustion (TE). Ingesting carbohydrates (CHO) before …
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The effect of aerobic base training on heart-rate variability and performance in elite youth football players
Background: It is vitally important to monitor training load, especially for elite athletes. Monitoring training load means an athletes load can then be manipulated in order to avoid undertraining or overtraining. There are many methods that can be used to monitor training load and differing ways …
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An exploration of muscle oxygen kinetics in professional boxing
The investigation into the physiological aspects of boxing has predominantly focused on the systemic responses observed in amateur athletes, with the unique challenges of professional boxing, particularly given its distinct competition structure, receiving less attention. This thesis aimed to …
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Effect of glycerol hyperhydration before exercise in trained triathletes on endurance performance and cardiovascular and thermoregulatory responses
… performance and cardiovascular and thermoregulatory responses. For this purpose, the subjects received, using a randomized, double-blind and crossover protocol, either a glycerol (1.2 g glycerol/kg/bodyweight (BW) with 18 ml/kg/BW of aspartame-flavored juice plus 8 ml/kg/BW of distilled water) …
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Examining physiological roles of adipose derived VEGF: Consequences in substrate availability and endurance exercise capacity in adipocyte specific VEGF deficient mice
Reducing vascular endothelial growth factor (VEGF) in adipose tissue alters adipose vascularity and metabolic homeostasis. We hypothesized that this would also affect metabolic responses during exercise-induced stress, and that adipocyte-specific VEGF deficient (adipoVEGF-/-) mice would have …
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Thermoregulation, fluid balance, and reliability in paralympic sport: exploring core temperature responses, hydration habits, and mobility performance assessments
… Four key objectives were addressed: (1) to characterize hydration habits and fluid balance in female para hockey players during competition in a cool environment, (2) to examine the thermal demands and mobility performance of wheelchair rugby (WCR) athletes during international …
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RESISTANCE TRAINING RECOMMENDATIONS FOR CROSS COUNTRY SKIERS TO IMPROVE PERFORMANCE: A SYSTEMATIC REVIEW
… for success in cross country skiing due to the evolution of the sport. Although important for success in skiing, resistance training recommendations are not well defined within the literature. The purpose of this study was to provide resistance training recommendations for cross country …
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The Effect of Nitrate Supplementation on Exercise Tolerance and Performance: A Systematic Review and Meta-Analysis
<p>The purpose of this paper was to systematically review the current literature and evaluate the overall efficacy of nitrate supplementation on exercise tolerance and performance by meta-analysis. Studies were eligible for inclusion if they met the following criteria: 1) were an experimental trial …
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Effects of Reduced Muscle Glycogen on Sarcoplasmic Reticulum (SR), Muscle and Exercise Performance
… However, evidence linking glycogen content to fatigue is lacking. In this study we examined whether reduced muscle glycogen content limited SR function or muscle performance. Two groups of female Sprague-Dawley rats were fasted for 24 hr and exercised for 90 min to reduce muscle glycogen; …
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EFFECT OF CIGARETTE SMOKING ON CARDIORESPIRATORY AND METABOLIC RESPONSE TO DIFFERENT PROTOCOLS IN YOUNG ACTIVE MALES
… smoking is one of the most impacting risk factors for cardiopulmonary morbidity and a major cause of mortality. It leads to systemic modifications that alter the cardiorespiratory and metabolic response at rest and during exercise. Indeed, stimulates the sympathetic nervous system, elevating …
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Extremely short duration high intensity training as a cardiovascular training method for front line police officers
PurposeThe purpose of this study is to determine if extremely short duration High Intensity Training is an effective method for Police Officers to maintain their cardiovascular fitness.Methodology12 front line, operational Police Officers (n=5 female & n=7 male) volunteered to take part in the …
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Cardiorespiratory Fitness and Cardiovascular Disease Risk Factors in Postmenopausal Women
… the number one cause of death in the U.S. Prior to menopause, women have approximately 2.5-4.5 times lower risk of cardiovascular disease than do men of a similar age. Within about 10 years following menopause, however, the rate in women becomes similar to that seen in men. Increased …
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The Ergogenic Effects of Oxygen Supplementation on Cycling Performance
… oxygen supplementation in research was related time trial and time to exhaustion performances, i.e. predominately aerobic activities. However, more recently, oxygen supplementation has also been shown to benefit high intensity short duration activity. This thesis aimed to further examine how …
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The effects of changes in recycling patterns on United Kingdom resource consumption
… life extension are identified as significant factors contributing to an extension of the time to exhaustion of industrially Dnportant materials. A quantitative assessment of the significance of virtually all materials to the U.K. is made. Copper is identified as one of the most important …
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