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Effects Of Water Immersion Precooling On Thermal Loads Induced Through Submaximal Exercise
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Book Synopsis Effects of Water Immersion Precooling on Thermal Loads Induced Through Submaximal Exercise by : Thad Elliott Wilson
Download or read book Effects of Water Immersion Precooling on Thermal Loads Induced Through Submaximal Exercise written by Thad Elliott Wilson and published by . This book was released on 2000 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Immersion Precooling on Human Performance During and After Warm-water Exercise by : David Olin Keyser
Download or read book Effects of Immersion Precooling on Human Performance During and After Warm-water Exercise written by David Olin Keyser and published by . This book was released on 2010 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human performance in warm water is limited relative to performance in air environments. Naval Special Warfare (NSW) personnel are often tasked with in-water operations in thermally stressful environments. Warm-water diving operations have become a concern for NSW as modern theaters of conflict include bodies of water that can reach temperatures well above 34°C or 93.2°F (e.g., Persian Gulf). Factors of extended dive duration, garments that impair heat dissipation and strenuous workloads can compound the effects of heat stress in warm water and have an adverse impact on health, personnel safety, and mission performance. Precooling has been shown to extend work performance in hot, humid air environments. Precooling prior to warm-water immersion may alleviate some of the problems associated with thermal stress in warm water by increasing an individual's capacity to store heat and decreasing the thermal strain induced by exercise. the objective of this research was to evaluate whole-body, head-out precooling in cold water as a method to increase performance during and after 30 minutes of strenuous exercise in 36.6°C (97.8°F) water. Participants served as their own controls. Specific objectives were to determine if (a) whole-body precooling prior to exercise in warm water results in a greater overall work output in a defined time period, (b) cumulative heat storage during exercise in warm water is reduced by whole-body precooling, and (c) physical and cognitive performance following warm-water exercise are improved by whole-body precooling. Participants (n=11) underwent precooling and control phases, followed by 30 minutes of strenuous exercise in warm water, and then completed physical and cognitive test batteries. Body temperature was monitored continuously. Total work output, changes in body temperature, heat storage, physical performance, cognitive performance, and blood lactate levels were used to measure the effect of precooling. Precooling had minimal impact on functional performance, although heat storage capacity and sustained hand grip measures were significantly enhanced. Results suggest the precooling profile used in this study would not significantly extend work times or increase safety for work performed in warm water. Active cooling while in warm water may be a better research approach to extend safety and duration in warm water.
Book Synopsis The Effects of Hot Water Immersion on Thermal Recovery Following Submaximal Exercise by : Patricia Ellen Ridley
Download or read book The Effects of Hot Water Immersion on Thermal Recovery Following Submaximal Exercise written by Patricia Ellen Ridley and published by . This book was released on 1989 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strength and Conditioning by : Gavin L. Moir
Download or read book Strength and Conditioning written by Gavin L. Moir and published by Jones & Bartlett Publishers. This book was released on 2015-02-27 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written for both the undergraduate/graduate level student as well as practitioners in the field, this text incorporates all programming aspects of strength and conditioning including training methods to develop muscular strength and power, flexibility, and the development of effective warm-up regimens. Performance analysis techniques in sport are introduced while the constraints-led approach to motor skills acquisition is presented as a framework that can guide the development of practices for the strength and conditioning practitioner. The biomechanical and motor skill acquisition concepts introduced in the text are then applied to fundamental movements including jumping, landing, and sprint running. Key Features: - Provides a solid introduction to biomechanics pertinent to the study of human movements - Discusses the performance analysis techniques in sport that can be used by the strength and conditioning practitioner to determine the physiological, mechanical, and technical demands of specific sports, and also the assessment of the techniques used in the execution of sport-specific skills - Includes a critical review of the different approaches to motor skill acquisition - Incorporates clear learning objectives and worked examples in each chapter that allow readers to apply the concepts to real-life situations - Discusses the application of the most recent research pertinent to concepts in each chapter - Includes appendices to expand on some of the more complex mathematical techniques required to perform biomechanical analyses and useful resources to aid the student in locating and evaluating scientific evidence.
Book Synopsis Post Exercise Hot Water Immersion by : Michael J. Zurawlew
Download or read book Post Exercise Hot Water Immersion written by Michael J. Zurawlew and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hot environmental conditions can reduce work productivity/exercise performance and increase the incidence of exertional heat illness. In preparation for hot environments, individuals commonly complete heat acclimation protocols that initiate physiological and perceptual adaptations to reduce thermal strain and improve physical capabilities. However,conventional exercise-heat acclimation interventions can be costly and impractical, as they require access to an artificial hot environment and often require control of core temperature during exercise. As such, there is a demand for a flexible heat acclimation intervention that can be easily incorporated into the daily training of athletes and military/occupationalpersonnel. Therefore, the aim of this thesis was to develop a novel and practical post-exercisehot water immersion heat acclimation protocol.Firstly, 6-days of submaximal exercise in temperate conditions followed by a hot water immersion induced hallmark heat acclimation adaptations during submaximal exercise intemperate and hot conditions and improved endurance exercise performance in the heat (Chapter 4). The initiated adaptations were also not specific to the clock-time of when heat exposures occurred (Chapter 5). Post-exercise hot water immersion also initiated hallmark heat acclimation adaptations in both endurance trained and recreationally active individuals (Chapter 6). In addition, the decay of the induced adaptations following post-exercise hotwater immersion is slow, with no observable loss of heat acclimation two weeks following the cessation of the protocol (Chapter 7).The studies presented in this thesis demonstrate that the novel post-exercise hot waterimmersion intervention provides heat acclimation and reduces thermal strain during exercisein the heat. Future research is required to optimise this technique to improve its incorporation into different military/occupational or athlete scenarios and assess the impact of the intervention on the incidence of exertional heat illness.
Book Synopsis Post-exercise Hot Water Immersion by : Michael Zurawlew
Download or read book Post-exercise Hot Water Immersion written by Michael Zurawlew and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precooling and Exercise Capacity During Heat Stress by : Charles P. Katica
Download or read book Precooling and Exercise Capacity During Heat Stress written by Charles P. Katica and published by . This book was released on 2013 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vigorous exercise in a hot and humid environment can substantially impair exercise performance and exercise capacity compared to moderate temperature conditions. Cycling requires high force generation and consequently utilizes a high rate of energy expenditure and often takes place during the hot summer months, which also contributes to heat storage and a rise in core temperature during exercise. There are several factors that could affect exercise performance, however, one explanation for the decrease in exercise performance while working in the heat is the strain put on the cardiovascular system. Part of this strain involves cardiovascular drift (CV drift), defined as a steady increase in heart rate (HR) and a decrease in stroke volume (SV) that occur during an extended bout of constant-rate, submaximal exercise [50-75% of maximal oxygen uptake (VO2max)]. Precooling has been shown in previous studies to diminish cardiovascular strain and thus, improve exercise performance during prolonged exercise lasting between 15 - 45 min in hot ambient temperatures. In order to evaluate the effects of precooling on cycling performance, two studies and a literature review were conducted. The first study evaluated the effects of 20 min of precooling the upper body (torso, head and neck) during an active warm-up, followed by a 15-km simulated time trial. The second study evaluated the effects on CV drift following 20 min of whole body (calve, thigh, torso, neck and head) precooling. Healthy and physically active male cyclists were recruited for both of the studies. A repeated measures, counterbalanced design was used for both of the studies. For both studies, the effect of pre-cooling on time trial performance and CV drift showed very limited differences between the cooling intervention and the control trials. The method of cooling used in both trials may not be the best way to truly decrease the core temperature enough to elicit a true ergogenic effect in time trial pace cycling and CV drift. More research looking at a practical and convenient way of cooling cyclists before exercising in the heat is warranted.
Book Synopsis Effects of Lower Extremity Pre-cooling and Pre-heating on Sub-maximal Exercise Performance by : (Elizabeth) Dani Merrick
Download or read book Effects of Lower Extremity Pre-cooling and Pre-heating on Sub-maximal Exercise Performance written by (Elizabeth) Dani Merrick and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Thermal Environments by : Ken Parsons
Download or read book Human Thermal Environments written by Ken Parsons and published by CRC Press. This book was released on 2007-03-22 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our responses to our thermal environment have a considerable effect on our performance and behavior, not least in the realm of work. There has been considerable scientific investigation of these responses and formal methods have been developed for environmental evaluation and design. In recent years these have been developed to the extent that detailed national and international standards of practice have now become feasible. This new edition of Ken Parson's definitive text brings us back up to date. He covers hot, moderate and cold environments, and defines these in terms of six basic parameters: air temperature, radiate temperature, humidity, air velocity, clothing worn, and the person's activity. There is a focus on the principles and practice of human response, which incorporates psychology, physiology and environmental physics with applied ergonomics. Water requirements, computer modeling and computer-aided design are brought in, as are current standards. Special populations, such as the aged or disabled and specialist environments such as those found in vehicles are also considered. This book continues to be the standard text for the design of environments for humans to live and work safely, comfortably and effectively, and for the design of materials which help the same people cope with their environments.
Book Synopsis Heat Stress in Sport and Exercise by : Julien D. Périard
Download or read book Heat Stress in Sport and Exercise written by Julien D. Périard and published by Springer. This book was released on 2019-03-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is designed to provide a flowing description of the physiology of heat stress, the illnesses associated with heat exposure, recommendations on optimising health and performance, and an examination of Olympic sports played in potentially hot environmental conditions. In the first section the book examines how heat stress effects performance by outlining the basics of thermoregulation and how these responses impact on cardiovascular, central nervous system, and skeletal muscle function. It also outlines the pathophysiology and treatment of exertional heat illness, as well as the role of hydration status during exercise in the heat. Thereafter, countermeasures (e.g. cooling and heat acclimation) are covered and an explanation as to how they may aid in decreasing the incidence of heat illness and minimise the impairment in performance is provided. A novel and particular feature of the book is its inclusion of sport-specific chapters in which the influence of heat stress on performance and health is described, as well as strategies and policies adopted by the governing bodies in trying to offset the deleterious role of thermal strain. Given the breadth and scope of the sections, the book will be a reference guide for clinicians, practitioners, coaches, athletes, researchers, and students.
Book Synopsis Physical Fitness/sports Medicine by :
Download or read book Physical Fitness/sports Medicine written by and published by . This book was released on 1982 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consists of citations selected from those contained in the National Library of Medicine's Medical Literature Analysis and Retrieval System.
Book Synopsis Exertional Heat Illnesses by : Lawrence E. Armstrong
Download or read book Exertional Heat Illnesses written by Lawrence E. Armstrong and published by Human Kinetics. This book was released on 2003 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only text to focus exclusively on heat-related illnesses. Full of practical advice for professionals in a variety of medical, academic, & commercial settings. Learn how to identify, treat & prevent exertional heat illnesses & ensure your sporting events are safe.
Book Synopsis Triathlon Medicine by : Sergio Migliorini
Download or read book Triathlon Medicine written by Sergio Migliorini and published by Springer Nature. This book was released on 2019-11-06 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an ultimate clinical guide to all the medical issues related to triathlon – a very popular Olympic and international sport, and the most modern of all the endurance activities. Triathletes experience a range of environmental conditions and physiological demands, depending on the race, that must be taken into consideration when preparing for medical assistance. The book addresses in detail the topics of cardiovascular adaptations, overuse injuries, overtraining syndrome, endurance anaemia, nutrition and the physiological aspects associated with the discipline. It provides information on the training and technical aspects of the different distances in triathlon disciplines, with a special focus on safety in open-water swimming. Dedicated chapters also cover issues related to female, young, master and para-triathletes. Combining research perspectives with many years of experience practicing in the field, this book offers sport medicine physicians, orthopedists, physical therapists and coaches a comprehensive guide to the evaluation, treatment and prevention of all the overuse conditions and to improving athletes’ performance.
Book Synopsis Acclimatization to Cold in Humans by : Hanna Kaciuba-Uscilko
Download or read book Acclimatization to Cold in Humans written by Hanna Kaciuba-Uscilko and published by . This book was released on 1989 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review focuses on the responses and mechanisms of both natural and artificial acclimatization to a cold environment in mammals, with specific reference to human beings. The purpose is to provide basic information for designers of thermal protection systems for astronauts during intra- and extravehicular activities. Hibernation, heat production, heat loss, vascular responses, body insulation, shivering thermogenesis, water immersion, exercise responses, and clinical symptoms and hypothermia in the elderly are discussed.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1988 with total page 1332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
