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Dissertations / Theses on the topic 'High-Intensity exercises'

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Published: 15 March 2025

Last updated: 26 July 2025

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1

Ufland, Pierre. "Muscle oxygenation and capacity to repeat high-intensity exercises." Amiens, 2012. http://www.theses.fr/2012AMIE0018.

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Monitoring non-invasively muscle oxygenation (mO2), inferred from oxygenated haemoglobin (Hb)/myoglobin (Mb) and deoxygenated Hb/Mb measures, has emerged at the end of the 80s with the develoment of near-infrared spectroscopy (NIRS). Today, NIRS devices are portable and make possible to continuously and remotely monitor the balance between oxygen (O2) delivery to working muscles and muscle O2 uptake in cpillary beds of the investigated muscle. For instance, while a high muscle O2 uptake ability in generaly associated with performance improvement, a low muscle O2 uptake ability may be associate

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2

Toma, Kumika. "Effects of High-Carbohydrate and Low-Fat Versus High-Protein and Low-Carbohydrate Diets on High-Intensity Aerobic Exercise." View abstract, 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3372362.

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3

Rognmo, Øivind. "High-intensity aerobic exercise and cardiovascular health." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for sirkulasjon og bildediagnostikk, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-5289.

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Regelmessig fysisk aktivitet bedrer den fysiske formen, og er dokumentert å være en viktig bidragsyter med tanke på å redusere forekomsten av sykdom og dødelighet. Det maksimale oksygenopptaket, som er det beste målet på arbeidskapasitet, er vist å være en svært sterk indikator på dødelighet både hos friske og hos pasienter med hjerte-karsykdom. Regelmessig utholdenhetstrening for å øke maksimalt oksygenopptak er derfor anbefalt for bedret helse og økt livslengde. Selv om dette er etablert kunnskap, vet man lite om hvilken intensitet kondisjonstreningen bør gjennomføres med for å oppnå best mu

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4

Kaus, Reed J. "Affect and Enjoyment Associated with CrossFit Exercise." Bowling Green State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1395427844.

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5

Lakomy, Henryk K. A. "Measurement of external power output during high intensity exercise." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/7511.

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6

James, Oliver. "The effect of self-regulation on high intensity exercise." Thesis, Abertay University, 2018. https://rke.abertay.ac.uk/en/studentTheses/64d88b8e-7b66-47ec-a99a-f20a5aa92a08.

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The overall aim to this thesis was to identify if the use of self-regulated (SR) rest during high intensity training (HIT) can be used to increase endurance and power output measures between males and females. Study one aimed to determine if males and females can maintain mean power output (MPO) during repeated sprints when using self-regulated (SR) rest, and identify male and female response in MPO when SR rest is reduced. Participants completed four trials of 10 x 6 sec sprints separated by SR rest against 7.5% body mass (BM) as a resistance. If the mean power output (MPO) for all ten sprint

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7

Dolan, Lianne Bronagh. "High-intensity exercise and safety concerns in breast cancer survivors." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44196.

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8

Marlin, D. J. "Metabolic response to high-intensity exercise in the thoroughbred horse." Thesis, Loughborough University, 1989. https://dspace.lboro.ac.uk/2134/7870.

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The Thoroughbred racehorse is capable of maintaining speeds of approximately 17 m/s for distances of over a mile. This represents an average speed and the Thoroughbred can reach speeds in excess of 20 m/s over short distances. The present series of studies was undertaken to investigate further the metabolic response to high-intensity exercise in the Thoroughbred racehorse. Unlike man, high-intensity exercise in the horse results in an increase in packed cell volume. This in turn causes acute changes in the colligative properties of blood and plasma. The changes in these properties were investi

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9

Doherty, Michael. "The effects of caffeine on short-term, high-intensity exercise." Thesis, University of Bedfordshire, 2004. http://hdl.handle.net/10547/292660.

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The aim of this series of studies was to investigate the effects of oral caffeine ingestion (5 mg . kg-1) on whole-body, short-term, high-intensity exercise (ST; representing an exercise intensity of between 100% -150% V02 max), an area that has received scant attention in the past. It was found that, in common with other 'open-ended' tests, one ST assessment, the maximal accumulated oxygen deficit (MAOD), appeared to lack both validity and reliability. Although traditional reliability markers of MAOD were favourable, the 95% limits of agreement were unacceptably large. In addition, the validi

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10

Hough, John. "Intensified training and salivary hormone response to high-intensity exercise." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/9887.

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Cortisol (C) and testosterone (T) are commonly suggested as markers of overreaching and the unexplained underperformance syndrome (UPS) as taken together they highlight the body s state of stress by indicating the body s catabolic/anabolic balance. Research in this area has focused on the resting concentrations of these hormones and provided inconsistent findings with increases, decreases and no changes reported when individuals are compared in an overreached state with a normally trained state. Little attention has been given to the exercise-induced responses of these hormones and whether thi

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11

Talbot, Chris. "Physiological and biomechanical responses during high intensity upper body exercise." Thesis, University of Northampton, 2013. http://nectar.northampton.ac.uk/8886/.

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12

Trapp, Ethlyn Gail Medical Sciences Faculty of Medicine UNSW. "Effect of high intensity exercise on fat loss in young overweight women." Awarded by:University of New South Wales. School of Medical Sciences, 2006. http://handle.unsw.edu.au/1959.4/25182.

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This thesis investigated the effect of high intensity, intermittent exercise (HIIE) on fat loss in young, sedentary women. It attempted also to identify possible mechanisms underpinning exercise-induced changes in adiposity. Study 1 investigated some of the metabolic and hormonal responses to two variations of HIIE. Sixteen female subjects were tested. The first session involved a cycle ergometer VO2peak test. The next two sessions were completed in random order. After baseline measures the women did 20 min of HIIE. There was a short bout exercise of 8 s work, followed by 12 s relative rest an

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13

Sletten, Nathan Robert. "Effects of high-intensity interval exercise on vasodilator function in children." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62809.

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Purpose: Exercise training can improve vascular function through anti-atherogenic effects on the vascular endothelium, a response which can be discerned following individual bouts of exercise. Although well characterized in adults, the effect of exercise intensity on the acute recovery patterns of vasodilator function is unknown in children. Study Design: Nine children (age = 10.5 ± 1.5 y, 6 girls) completed 1) high-intensity interval exercise (HIIE, six 1-minute sprints at 90% peak power (Wmax), with 1-minute recovery) and 2) moderate-intensity exercise (MIE, 15 minutes at 44% Wmax, total ext

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Chidnok, Weerapong. "Fatigue during high-intensity exercise : relationship to the critical power concept." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/12163.

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The hyperbolic power-duration relationship for high-intensity exercise is defined by two parameters: an asymptote (critical power; CP) reflecting the highest sustainable rate of oxidative metabolism, and a curvature constant (W'), which indicates a fixed amount of work that can be completed above CP (W>CP). According to the CP model of bioenergetics, constant work rate exercise above CP depletes the capacity-limited W' with fatigue occurring when W' is completely expended. The complete depletion of W' has been reported to occur when VO2max is attained and a critical degree of muscle metabolic

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Saunders, B. "Effects of buffering agents on high-intensity exercise performance and capacity." Thesis, Nottingham Trent University, 2012. http://irep.ntu.ac.uk/id/eprint/229/.

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High-intensity exercise results in hydrogen ion accumulation, which can have a deleterious effect on muscle function, and thus exercise tolerance. Buffering agents are commonly used to enhance exercise performance and capacity. Two such agents, β-alanine and sodium bicarbonate, increase intracellular and extracellular buffering capacity, which could contribute to an improved performance and capacity during exercise limited by increasing acidosis. Despite this, studies on the ergogenic effects of β-alanine are still in their infancy, and research on sodium bicarbonate remains equivocal. The aim

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Allison, Wayne. "Effects of high-intensity intermittent exercise on decision-making in soccer." Thesis, Sheffield Hallam University, 2009. http://shura.shu.ac.uk/20618/.

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The aim of this thesis was to identify physiological factors associated with decision making performance of soccer players. If a decrement in decision-making performance was observed, a second aim would be to assess the extent to which soccer players' decision-making capability could be improved and trained. To achieve these aims there were four specific objectives: 1) To measure decision-making in soccer players using a soccer-specific protocol to assess decision-making and determine the reproducibility of the protocol's measures; 2) determine the effect of soccer-specific intermittent exerci

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17

Wootten, David F. "Short Term Time Course Skeletal Responses to High Intensity Physical Exercise." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/27880.

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The purpose of this randomized controlled trial was to investigate temporal skeletal responses to short-term high intensity physical activity. Twenty-eight normal active females [age: 20.7 +/- 2.1 yr (mean +/- SD)] were randomized into exercise (EX, n = 15) or control (CN, n = 13) groups. The exercise group trained 6 days/wk for 6 wk, which consisted of maximal isokinetic knee flexion/extension 3 days/wk, combined with 3 days/wk running. The purpose was to expose the tibiae to a period of abruptly increased loading forces. Tibial bending stiffness (EIMRTA), and serum concentrations of bioc

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Odendal, Elsabe. "Pulmonary function and acid-base balance high intensity constant-load exercise." Master's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/27123.

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The possibility that an inadequate response of the pulmonary system might limit high intensity exercise in man has received increasing attention over the past few years. However, very few scientific investigations have focused systematically on pulmonary function during high intensity constant-load exercise. Furthermore, many studies have examined only one part of the pulmonary system during exercise and some have not included blood gas measurements as a measure of the adequacy of pulmonary function. The studies reported in this thesis were designed to investigate the possible failure of the g

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Tyler, Alyssa N. "The Effect of High Intensity Exercise on pH and Inflammatory Biomarkers." Kent State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=kent1405583783.

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20

Ball, Derek. "Diet, acid-base status and the performance of high intensity exercise." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU045175.

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The aim of the present experiments was to investigate the effects of dietary components and composition on acid-base status. It was hoped that those dietary components which exert the greatest effect on acid-base would be identified. In a second series of experiments the role of diet-induced changes on the performance of high intensity exercise was investigated. The sodium salts of weak organic acids were administered after an overnight fast and their effects on blood acid-base status were observed. An alkalinising effect on blood and urine was observed over 3 and 24 hours respectively. In the

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21

Sproule, John Service. "Fluid manipulation strategies and running economy during prolonged high-intensity exercise." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/25587.

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Running economy (RE) is defined as the rate of oxygen consumption at a given submaximal running velocity. Whilst the concept of running economy is well documented, little information is available about the to daily variation in RE, variation in RE within prolonged running bouts and the effects on RE of exercise-induced dehydration. Thus, the principal aim of this research was to investigate these aspects and attempt to contribute further knowledge and understanding of RE. The purpose of the first study (Chapter 4), was to investigate the daily variation in RE in twenty one habitually active Si

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Beale, Louisa. "High intensity intermittent exercise training in patients with chronic heart failure." Thesis, University of Brighton, 2011. https://research.brighton.ac.uk/en/studentTheses/bad848f5-5103-4ea0-ad97-7b382e403732.

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High intensity intermittent exercise may provide an alternative means of exercise training with greater health benefits than the lower exercise doses used in current practice, yet definitive guidelines for intermittent exercise are lacking. This thesis examines the methodology for intermittent exercise prescription, and assesses the efficacy of an intermittent exercise training intervention for chronic heart failure patients (CHF), thus providing a novel application in UK cardiac rehabilitation programmes.

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Joo, Chang Hwa. "Effect of post-exercise cold water immersion on molecular responses to high-intensity intermittent exercise." Thesis, Liverpool John Moores University, 2015. http://researchonline.ljmu.ac.uk/4457/.

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The balance between the stress of training and competition and sufficient recovery is critical within the development of athletic performance. This stems from the need to recover between successive intense periods of exercise and provide sufficient time through which to adapt to the prescribed training stimulus. Cold water immersion (CWI) is now widely used by athletes to enhance the rate of recovery following training and competition. However, little information currently exists with respect to its influence on skeletal muscle adaptation. Therefore, the aim of this thesis was to investigate t

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24

Collins, Jessica Rose. "Impact of High Intensity Interval Training Versus Traditional Moderate Intensity Continuous Training on Critical Power and the Power-Duration Relationship." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9185.

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Critical Power (CP) is the greatest power that a person can sustain for prolonged periods of time while maintaining steady state conditions. Work-prime (W’) is the amount of work that can be tolerated when exercising in non-steady-state conditions above CP. A person’s CP and W’ strongly influence the metabolic response and tolerance to exercise. PURPOSE: Compare the effect of equal amounts of moderate intensity continuous training (MICT) and high intensity interval training (HIIT) on CP and W’. Critical Power (CP) is the greatest power that a person can sustain for prolonged periods of time wh

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25

Boynton, Jason R. "The effects of environmental temperature on high-intensity interval training." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2020. https://ro.ecu.edu.au/theses/2341.

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Endurance athletes typically spend the large majority of training (> 70%) at low intensities (i.e. below lactate threshold) coupled with short and intermittent bouts of high-intensity exercise or interval training (HIIT). Despite HIIT being a relatively small part of training in terms of duration, it has a substantial effect on the adaptations to endurance training. While it is well-established endurance exercise performance is affected in both hot and cold environmental conditions, the effect ambient temperature (TA; frequently referred to as environmental temperature) has on HIIT as performe

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Wessel, Paige. "Accuracy of Commercial Fitness Trackers During High-Intensity Functional Training." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1634.

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Commercially available fitness trackers have been found to accurately measure steps and caloric expenditure during walking and running activities. Circuit-style, highintensity functional training (HIFT) has become increasingly popular because it is inexpensive and effective in improving muscular strength and cardiovascular fitness. PURPOSE: To evaluate the accuracy of five accelerometers (ActiGraph GT3X, Nike Fuelband, Fitbit One, Fitbit Charge HR, and Jawbone UP Move) in estimating energy expenditure while performing an acute bout of HIFT. METHODS: Participants (n = 47) underwent baseline tes

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Willcocks, Rebecca. "Investigation of metabolic responses to exercise in adolescents and adults during high intensity exercise and recovery." Thesis, University of Exeter, 2011. http://hdl.handle.net/10036/3221.

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Children and adolescents are thought to use oxidative metabolism to a greater extent than adults during high intensity exercise. The studies reported in this thesis examine the nature and implications of age-related differences in muscle metabolism during high intensity exercise and recovery. Chapter 4 concluded that during heavy intensity exercise, phosphocreatine (PCr) kinetics did not differ with age or sex, while Chapter 5 revealed that during very heavy intensity exercise, the fundamental τ was slower and slow component amplitude greater in men compared with adolescent boys, indicating th

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Born, Stephanie Ann. "The Effect of Creatine Supplementation on Exercise Performance following a Short-term Low Carbohydrate Diet." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo149340968232177.

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Noonan, Benjamin Carter. "The Physiological Effects of Hockey Protective Equipment on High Intensity Intermittent Exercise." Yale University, 2006. http://ymtdl.med.yale.edu/theses/available/etd-06282006-133133/.

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Ice hockey is a contact sport played in a cold environment which leads to assumptions that players are not exposed to a thermal challenge. The purpose of this study was to test the hypothesis that the wearing of hockey protective equipment during an exercise protocol designed to simulate a hockey game would induce a thermal challenge and lead to decrements in performance. In order to test this hypothesis and qualify the physiological responses, subjects performed a standardized protocol performed on a stationary cycle ergometer in an environmental chamber set at typical (12ºC) ice hockey ambie

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Fletcher, Deborah K. "The influence of caffeine on lymphocyte activation after prolonged high intensity exercise." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/7047.

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Many athletes consume caffeine for its known ergogenic effects. Since being legitimised by its 2004 removal from the World Anti-Doping Agency prohibited list of substances, caffeine s ability to enhance performance has led to its widespread use amongst the athletic population. However, despite caffeine s prevalence, little research has focused on the effect of caffeine ingestion on immune function both at rest and in response to exercise in humans. Therefore, the aim of this thesis was to investigate the influence of typically-used doses of caffeine (typical daily intake in training and compet

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Chalari, Eleanna. "The effect of high-intensity intermittent exercise on biomarkers of oxidative stress." Thesis, University of Hull, 2017. http://hydra.hull.ac.uk/resources/hull:16424.

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There are evidence that high-intensity acute exercise can promote oxidative stress. High-intensity intermittent exercise (HIIE) is a type of structured physical training characterised by repeated bouts of high-intensity exercise interspersed by recovery periods. As the impact of intermittency during acute HIIE has not been extensively studied, it is possible that the repeated intensive bouts within HIIE could induce oxidative stress levels. Plasma biomarkers, including lipid hydroperoxides and markers of DNA damage, have been increasingly applied within acute exercise physiology research to me

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Paul, David R. "Carbohydrate oxidation during high-intensity exercise after a preexercise fat-rich meal /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488194825666821.

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Greenhaff, Paul Leonard. "Diet, acid-base status and the metabolic response to high intensity exercise." Thesis, University of Aberdeen, 1988. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU010287.

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The aim of these experiments was to investigate the influence that dietary manipulation has upon acid-base balance and substrate availability at rest and during high intensity exercise. It was hoped to identify some of the mechanisms that may control the utilisation of energy substrate and influence the onset of fatigue during high intensity exercise. A pattern of dietary and exercise manipulation intended to alter carbohydrate (CHO) and fat availability was undertaken during the first two experiments. In addition to influencing energy substrate availability, the diet and exercise regimen also

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Stone, Michael H., Meg E. Stone, William A. Sands, et al. "Maximum Strength and Strength Training---A Relationship to Endurance?" Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etsu-works/4615.

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Endurance can be defined as the ability to maintain or to repeat a given force or power output. The sport performance-endurance relationship is a multi-factorial concept. However, evidence indicates that maximum strength is a major component. Conceptually, endurance is a continuum. The literature indicates that (a) maximum strength is moderately to strongly related to endurance capabilities and associated factors, a relationship that is likely stronger for high intensity exercise endurance (HIEE) activities than for low intensity exercise endurance (LIEE); (b) strength training can increase bo

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Chiron, François. "Optimisation de la performance et de la récupération des athlètes de haut-niveau engagés dans la réitération d'exercices à haute-intensité : exemple du 400 m." Electronic Thesis or Diss., université Paris-Saclay, 2025. http://www.theses.fr/2025UPASW002.

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Les athlètes de haut-niveau français, spécialistes des sprints longs en athlétisme, rencontrent des difficultés à maintenir des performances optimales lors des compétitions internationales. Dans ce contexte, l'objectif général de ce travail de thèse a été, à travers une approche holistique, de chercher àoptimiser la réitération d'exercices de haute-intensité et d'améliorer la récupération des athlètes lors des compétitions internationales. Pour ce faire, deux axes relatifs au stress ont été explorés : tout d'abord, nous avons analysé l'impact du stress psychophysiologique en compétition sur la

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36

Lipski, Marcin. "High-intensity interval eccentric cycling: Acute and chronic effects." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2018. https://ro.ecu.edu.au/theses/2104.

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Eccentric cycling training has been prescribed in continuous and low intensities protocols, based on concentric cycling parameters. While the lower metabolic demand of eccentric than concentric cycling is advantageous for clinical or ‘at-risk’ populations, it is a disadvantage for cardiovascular and pulmonary adaptations. High-intensity interval protocols may increase both, strength and endurance. Thus, this research project compared i) an incremental concentric and eccentric cycling test until exhaustion for the relationship between power output and physiological parameters <Study1>; ii) inte

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Peeters, Mon Jef. "The effect of recovery strategies on high-intensity exercise performance and lactate clearance." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2735.

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PURPOSE: To compare the effects of recovery intensity on performance of a bicycle sprint task and blood La⁻ clearance. METHODS: On three separate days twelve trained male subjects (27.4 ± 3.9 yrs) performed three supramaximal exercise (SE) bouts at 120% of maximum aerobic power (MAP) for 60% of the time to exhaustion (TTE). Bouts were separated by 5 mm of passive recovery (PR), active recovery (AR) or combined active recovery (CAR). The third bout was followed by a 14 mm recovery. Recovery intensities were: PR (rest), AR at 50% of the workload difference between the individual anaerobic thresh

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Murgatroyd, Scott Richard. "'Parameters determining the induction and recovery of high intensity exercise intolerance in man." Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.521468.

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Toone, Rebecca. "Assessing the hormone response to high intensity exercise and identifying associations with performance." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675729.

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The aim of this programme of research was to add to the existing body of knowledge on the measurement of certain hormones in relation to exercise training, the response to high intensity training, and their potential influence on short-term performance. The initial studies demonstrated agreement between venous and capillary concentrations of an array of hormones, and agreement between venous and saliva concentrations of testosterone and cortisol following scaling of saliva concentrations, suggesting suitability of use in an applied exercise setting. In addition, to ensure accurate measurement

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Wilkins, Lisa Jacqueline. "The effect of graded and short-term, high-intensity exercise on expiratory muscle performance." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-03032009-040735/.

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Gibbs, Zoë Georgina. "Role of exercise in management of symptom experience and function for breast cancer survivors in Kenya." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/468.

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This thesis encompasses a brief introduction (Chapter 1), an overview of the status of breast cancer in Kenya (Chapter 2), two literature reviews examining the available literature on exercise for breast cancer and lymphedema (Chapters 3 and 4), and four experimental chapters (5 to 8) including: a cross-sectional study on physical, functional and symptom experience of breast cancer patients and survivors in Kenya; a randomised controlled trial on the effects of high vs low intensity resistance exercise in breast cancer survivors with lymphedema; a four-month follow-up on lymphedema status, phy

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Vaughan, Robert H. (Robert Harris). "Physiologic and Hematologic Responses Resulting From High-Intensity Training Among Elite Female Middle- and Long-Distance Runners." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc330610/.

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The problem addressed in this study is whether physiologic, hematologic, and performance parameters obtained during and after a long term program of anaerobic and aerobic exercise can be used as markers of chronic fatigue.

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Evans, Elizabeth Serex Battaglini Claudio L. "Cardiovascular and blood lactate responses to low, moderate, and high intensity aerobic exercise in breast cancer patients is exercise intensity a true reflection of perceived exertion? /." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2008. http://dc.lib.unc.edu/u?/etd,1840.

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Thesis (M.A.)--University of North Carolina at Chapel Hill, 2008.<br>Title from electronic title page (viewed Dec. 11, 2008). "... in partial fulfillment for the degree of Master of Arts in the Department of Exercise and Sport Science Exercise Physiology." Discipline: Exercise and Sports Science; Department/School: Exercise and Sport Science.

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Han, Dae Uk. "Feasibility Assessment of High-Intensity Interval Training in Adults Living with Severe Mental Illness." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/23386.

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Background: Adults living with Severe mental illness (SMI) are at a high risk of cardiovascular disease. With the growing popularity for High-Intensity Interval Training (HIIT), some evidence suggests that there is potential to greatly reduce cardiovascular and metabolic risk factors and improve functional exercise outcomes in comparison to moderate-intensity continuous training (MICT). However, little research on HIIT has been done in SMI. Therefore, the aim of the study was to assess the feasibility of HIIT in adults living with SMI. A secondary aim was also proposed, to compare the effect o

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Wilkinson, Michael. "Physiological indicators of performance in squash." Thesis, Sheffield Hallam University, 2009. http://shura.shu.ac.uk/20701/.

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The aim of this thesis was to develop and validate squash-specific fitness tests to identify physiological determinants of repeat-sprint ability and performance in sub-elite and elite-standard squash players. Study one examined the validity of a squash-specific test of endurance capability and VO[2max]. Trained squash players and runners completed squash-specific and treadmill incremental tests to exhaustion. Squash players achieved greater VO[2max] on the squash-specific than the treadmill test while runners did not differ. Squash players exercised longer than runners on the squash-specific t

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Mannion, Anne Frances. "Limiting factors to high intensity exercise : the role of intramuscular pH and skeletal muscle buffering." Thesis, University of Salford, 1990. http://usir.salford.ac.uk/26797/.

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Within the context of a metabolic model of fatigue, formulated from a review of the literature, a decrease in intramuscular pH was identified as a potential limiting factor to the performance of high intensity exercise (HIE). This suggested a role for skeletal muscle buffering (B) in retarding the intramuscular acidosis typically incurred during HIE. Previous studies on human muscle, were largely unable to confirm this role, partly due to the lack of a clearly defined and consistently utilised method of measurement of B. The validity of the procedures currently employed in the determination of

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Guelfi, Kym Janese. "Glucoregulatory responses to intermittent high-intensity exercise in individuals with type 1 diabetes mellitus : insight into the risk of hypoglycaemia." University of Western Australia. School of Human Movement and Exercise Science, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0078.

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[Truncated abstract] Exercise is generally recommended for individuals with type 1 diabetes mellitus since it is associated with numerous physiological and psychological benefits. However, participation in exercise can also increase the risk of experiencing severe hypoglycaemia both during exercise and recovery. Unfortunately, existing guidelines to minimise the risk of exercise-induced hypoglycaemia are often general and fail to take into account that different precautions are required for exercise of varying type, duration and intensity. Specifically, there are no evidence-based guidelines f

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Sperlich, B., D. P. Born, K. Kaskinoro, K. K. Kalliokoski, and Marko Laaksonen. "Squeezing the Muscle : Compression Clothing and Muscle Metabolism during Recovery from High Intensity Exercise." Mittuniversitetet, Avdelningen för hälsovetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-18973.

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The purpose of this experiment was to investigate skeletal muscle blood flow and glucose uptake in m. biceps (BF) and m. quadriceps femoris (QF) 1) during recovery from high intensity cycle exercise, and 2) while wearing a compression short applying ~37 mmHg to the thigh muscles. Blood flow and glucose uptake were measured in the compressed and non-compressed leg of 6 healthy men by using positron emission tomography. At baseline blood flow in QF (P = 0.79) and BF (P = 0.90) did not differ between the compressed and the non-compressed leg. During recovery muscle blood flow was higher compared

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Mier, Nicole M. "Training effect of a high intensity interval training (HIIT) program using upper extremity exercise." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1527569.

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<p> The purpose of this study was to investigate the effects of a high intensity interval training program (HIIT) using the upper extremities on peak oxygen uptake (VO<sub>2peak</sub>), peak heart rate (HR<sub>peak</sub>), total time-to-fatigue (TTF), peak power output (PPO), rating of perceived exertion (RPE), and blood lactate concentrations (bLa). Results showed significant (p ≤ 0.05) improvements by the HIIT group in VO<sub>2peak</sub>, HR<sub>peak</sub>, PPO, and TTF when compared to a continuous training (CT) group. </p><p> Results of this study suggest that upper extremity HIIT app

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Martinez, Nicholas. "Perceptual Responses to High-Intensity Interval Training in Overweight and Sedentary Individuals." Thesis, University of South Florida, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1535545.

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<p> Contemporary aerobic exercise guidelines comprised of continuous durations and higher intensities have been shown to be effective in the prevention and treatment of risk factors associated with obesity and cardiovascular disease (CVD). However, high-intensity interval training (HIIT) has recently been examined as an advantageous protocol for producing more favorable physiological and psychological benefits in comparison to traditional continuous exercise guidelines. The dual-mode model, which examines the dose response relationship between exercise intensity and affective valence, would su

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