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

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

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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2

Fisher, Gordon Pascoe David D. "Oxidative stress and antioxidant defenses in lymphocytes following high intensity interval training." Auburn, Ala., 2009. http://hdl.handle.net/10415/2003.

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3

Tofique, Muhammad Waqas. "Very high cycle fatigue of duplex stainless steels and stress intensity calculations." Licentiate thesis, Karlstads universitet, Institutionen för ingenjörsvetenskap och fysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-34591.

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Very high cycle fatigue (VHCF) is generally considered as the domain of fatigue lifetime beyond 10 million (107) load cycles. Few examples of structural components which are subjected to 107-109 load cycles during their service life are engine parts, turbine disks, railway axles and load-carrying parts of automobiles. Therefore, the safe and reliable operation of these components depends on the knowledge of their fatigue strength and the prevalent damage/failure mechanisms. Moreover, the fatigue life of materials in the VHCF regime is controlled by the fatigue crack initiation and early growth

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4

HASANI, NAJAFABADI SEYED HUSEIN. "Numerical-Experimental Assessment of Stress Intensity Factors in Ultrasonic Very-High-Cycle Fatigue." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2712549.

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The continuous enhancement of reliability and durability requirements for many machinery components is significantly pushing the experimental research on the Very-High-Cycle Fatigue (VHCF) response of metallic materials. In order to significantly reduce testing time, ultrasonic testing machines are widely adopted when carrying out VHCF tests. In the VHCF literature, the critical Stress Intensity Factor (SIF) is estimated by applying analytical SIF formulations to the typical semi-circular surface crack geometry revealed by fracture surfaces at final failure. However, when subjected to ultraso

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5

Morris, John G. "Effects of hot environmental conditions on human responses to prolonged, intermittent, high-intensity shuttle running." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/7171.

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6

Long, Meghan. "Comparison of High Intensity Interval Training Versus Moderate Intensity Continuous Training in a Phase II Cardiac Rehabilitation Program." Bowling Green State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1498769361795025.

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7

Dernbach, Arthur R. "Indices of oxidant stress in the blood and muscle of rowers during four weeks of high intensity twice-daily rowing training /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487682558445274.

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8

Hooley, Christopher Gary. "Examination of the effects of dietary protein and lipid on growth and stress response of Nile tilapia cultured in high intensity systems." Thesis, Montana State University, 2012. http://etd.lib.montana.edu/etd/2012/hooley/HooleyC0512.pdf.

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Tilapia is the second most consumed farmed fish, after carp, and the most widely grown of any farmed fish. Significant feed price increases in recent years threaten sustainability of the industry. In the US tilapia are often subjected to extended hauling to reach live-fish markets. Therefore, the objectives of the current study were to optimize dietary protein and lipid levels for juvenile tilapia cultured in high-intensity recirculating-water system and assess how dietary changes alter hauling stress-tolerance. To achieve these objectives, a 3 X 3 factorial design was used with practical-type

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9

Lindberg, Felicia, and Rytterborg Julia Fex. "Anti-stressträning : En kvantitativ tvärsnittsstudie." Thesis, Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-5682.

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Syfte och frågeställningar: Syftet är att studera om träning på olika intensitetsnivåer påverkar upplevd stress hos kvinnor i Sverige. Denna studie kommer svara på dessa frågeställningar: <ol type="1">Finns det någon skillnad i upplevd stress hos kvinnor som deltar på lågintensiv träning i form av promenader jämfört med kvinnor som deltar på högintensiv träning i form av löpning? Finns det någon skillnad i upplevd stress hos kvinnor som deltar på högintensiv träning i form av löpning jämfört med kvinnor som inte tränar alls? Finns det någon skillnad i upplevd stress hos kvinnor som deltar på

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10

Pugliese, L. "EFFECTS OF TRAINING REGIMES AT DIFFERENT INTENSITIES ON PERFORMANCE AND OXIDATIVE STRESS IN MASTERS ATHLETES." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/258143.

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Over the last decade, the participation of middle-aged and older (‘masters’) involved in sport activities at different levels has significantly increased, particularly in long-distance events. Master athletes are typically characterized as people who continue physical training throughout life and in this population, the incidence and risk of chronic and age-related diseases are reportedly lower, and self-rated health is better than in apparently healthy controls. However, regardless of training a decline in peak athletic performance in both endurance and sprint events and for all competitions/

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11

Wardwell, Kyoko Konaka. "Effects of Self-Selected and Imposed Intensity of Acute Exercise on the HPA-axis Response and Psychological Well-Being in Inactive Women with High Levels of Stress." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1307122619.

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12

Meleiro, Mônica Cristina Zandoná. "A influência do estresse experimentado por cavalos de corrida, em determinados momentos de sua rotina, sobre a função imune in vitro." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-15012007-123505/.

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Embora os cavalos apresentem características excepcionais frente a situações de estresse na natureza, foi considerada a possibilidade do cavalo de corrida ser submetido, por vezes, a alguma situação de estresse, que afetasse sua saúde e bem estar. Foram verificadas alterações do número e da função de populações celulares implicadas com a defesa, principalmente neutrófilos e linfócitos. Trinta cavalos de corrida da raça puro-sangue inglês, locados no Jockey Club de São Paulo, na cidade de São Paulo, foram utilizados. Os animais foram divididos em dois grupos e as amostras de sangue foram coleta

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13

Lardant, Emma. "Hétérogénéité de la réponse à un stress de forte intensité : Évidences comportementale, neurobiologique et hypnique chez la souris." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASL003.

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Le trouble de stress post- traumatique (TSPT) est un trouble mental qui affecte certaines personnes exposées à un stress de forte intensité. L’hétérogénéité d’expression des différents symptômes pourraient expliquer l’absence de traitement efficace et/ou la rechute des patients. Ces sous-types de symptômes sont associés à des activités cérébrales spécifiques, leur meilleure compréhension semble alors cruciale pour la recherche de traitement plus personnalisé et donc plus efficace. Dans ce contexte, le comportement de souris non consanguines a été évalué par plusieurs tests pendant 28 jours apr

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14

Souza, Lúcio Marques Vieira. "Efeitos do treinamento intervalado de alta intensidade de curto prazo sobre os biomarcadores de estresse oxidativo e danos musculares em ratos." Pós-Graduação em Educação Física, 2018. http://ri.ufs.br/jspui/handle/riufs/7837.

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High intensity interval training (HIIT) has become very popular due to the dissemination of experimental results. HIIT promotes similar adaptations to longterm and low-intensity exercises, such as improvement in cardiorespiratory capacity, VO2max, respi- ratory metabolism, increased pulmonary ventilation, among others. However, these adaptations are obtained with much lower duration at maximum or submaximal intensities, with seconds or few minutes of interval. However, frequent performance may increase susceptibility to injury, promote chronic fatigue and overtraining, partly because of

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15

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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16

Sawyer, Mikel Louis. "High intensity heat transfer to a stream of monodispersed water droplets." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/17991.

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17

Hangya, Josef. "Účinky elektrického namáhání na vlastnosti elektroizolačních materiálů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220958.

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Diploma thesis treat of effect of direct, alternate and pulse electrical stress on the properties surveyed electrical insulating material. Object of this experiment is crystalline high-density polystyrene QUINN PS. To monitor the stress is used the method of dielectric relaxation spectroscopy. Under examinations are the resultant dielectric spectra, which constitute the frequency dependencies of components of complex permitivity. Samples of the selected material are exposed to effects of alternate and pulse electrical stress on the different intensities of the electric field. In the direct fie

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18

Martin, Damian. "Effects of high intensity, large-scale free-stream turbulence on combustor effusion cooling." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/14725.

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Full-coverage or effusion cooling is commonly used in the thermal management of gas turbine combustion systems. The combustor environment is characterised by highly turbulent free-stream conditions and relatively large turbulent length scales. This turbulent flow field is predominantly created by the upstream fuel injector for lean burn systems. In rich burn systems the turbulent flow field is augmented further by the addition of dilution ports. The available evidence suggests that large energetic eddies interact strongly with the injected coolant fluid and may have a significant impact on the

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19

Yi-Han, Chiu, and 邱亦涵. "Effect of High Intensity Exercise-Induced Oxidative Stress on Leukocytes Apoptosis." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/30007344058951343830.

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碩士<br>臺北巿立體育學院<br>運動科學研究所<br>91<br>The intensity and duration of exercise will strongly influence the physical responses. After high intensity exercise (85% VO2max), the reactive oxygen species (ROS) are numerously generated, which makes an imbalance between the oxidatants and antioxidatants of organism to result in oxidative stress. Oxidative stress can potentially induce immune cell programmed cell death, or called apoptosis after high intensity exercise. However, the possible mechanisms have not been investigated. The purpose of this study was to investigate the effect of consecutive high i

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20

Dalton, Douglas Allen. "Fast rate fracture of aluminum using high intensity lasers." 2009. http://hdl.handle.net/2152/6861.

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Laser induced shock experiments were performed to study the dynamics of various solid state material processes, including shock-induced melt, fast rate fracture, and elastic to plastic response. Fast rate fracture and dynamic yielding are greatly influenced by microstructural features such as grain boundaries, impurity particles and alloying atoms. Fast fracture experiments using lasers are aimed at studying how material microstructure affects the tensile fracture characteristics at strain rates above 106 s-1. We used the Z-Beamlet Laser at Sandia National Laboratories to drive shocks via abl

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21

"Fatigue during high intensity exercise: the interaction between pH and thermal stress." Texas Christian University, 2007. http://etd.tcu.edu/etdfiles/available/etd-06222007-150406/.

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22

Liu, Chin-Chu, and 劉金矗. "Effect of Curcumin Supplement on Oxidative Stress Induced by High-Intensity-Interval Training." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/38839940038705104380.

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碩士<br>國立東華大學<br>體育學系<br>98<br>Exercises produce free radicals, especially high intensity exercises. Athletes constantly sustain free radical damage due the physical training they must endure over the long run. Under such conditions, health supplements are essential and daily health care products for athletes. Curcumin has superb anti-oxidative effects. The study was designed to investigate the effect of Curcumin supplements on post-exercise oxidative stress. Twelve outstanding basketball players from junior high schools (aged at 16 ± 0.5; height of 173.2 ± 5.2 cm; weight of 68.4 ± 13.6 kg) we

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23

Yau, Chen-Yu, and 姚承義. "The Effects of Antioxidant Supplementation on High-Intensity Exercise and Fish Oil-Induced Oxidative Stress." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/6d739s.

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博士<br>國立臺灣師範大學<br>體育研究所<br>90<br>Exercise can improve performance, fitness, and metabolism, as well as modify body-fat ratio. But high-intensity exercise may also induce active oxygen species (AOS). Fish oil, which is one of the ω-3 PUFA series that can decrease TG and influence other plasma lipids, appears to prevent arteriosclerosis and CHD, but some evidence suggests it increases the lipid peroxidation in the cell membrane. Fish oil would then seem to influence the antioxidant defense system that causes injury or disease. This study investigates the effects on the antioxidant defence syst

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24

Hu, Shao-Tseng, and 胡紹曾. "Effects of Carnitine Supplementation and High-intensity Interval Training on Endurance Performance and Oxidative Stress." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/31988538926304037718.

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碩士<br>國立體育大學<br>競技與教練科學研究所<br>102<br>The purpose of this study was to investigate the effects of three weeks of carnitine supplementation and HIT combination on aerobic capacity and oxidative stress. Ten untrained healthy males were recruited and randomly assigned into carnitine group (25.0±4.4 yr, 80.3±8.5 kg, 170.2±4.3 cm) or placebo group (22.4±3.3 yr, 69.1±11.2 kg, 172.2±6.3 cm). Subjects received carnitine or placebo supplementation 2 g per day for 3 weeks. All subjects also performed the HIT three day per week. The HIT protocol contains 10 bouts of cycling trail at 90%VO2max, with each b

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25

Wang, Ting-Yao, and 王錠堯. "Effects of Different Oxygen Concentrations during High-Intensity Interval Training Recovery Periods on Exercise-induced Stress Markers and Endurance Parameters." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/50012172846683431968.

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博士<br>國立體育大學<br>教練研究所<br>100<br>Purpose: To investigate the effects of recovery with normoxia (20.9%), hypoxia (16%) or hyperoxia (60%) during high-intensity interval training (HIT) on: 1. The training intensity markers (heart rate, blood lactate acid and glucose), as well as biomarkers of oxidative stress [thiobarbituric acid reactive substances (TBARS), lymphocyte mitochondrial transmembrane potential decline (MTP decline), apoptosis and necrosis], metabolic stress (cortisol) and mechanical stress (creatine kinase, CK) after one single bout of HIT. 2. The adaption of training intensity, oxid

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