Muscle Metabolism And The Control Of Respiration In Exercise
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Muscle Metabolism And The Control Of Respiration In Exercise
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Author : Alistair George Ramsay
language : en
Publisher:
Release Date : 1954
Muscle Metabolism And The Control Of Respiration In Exercise written by Alistair George Ramsay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with categories.
Control Of Breathing During Exercise
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Author : Susan A. Ward
language : en
Publisher: Biota Publishing
Release Date : 2014-07-01
Control Of Breathing During Exercise written by Susan A. Ward and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-01 with Medical categories.
The control of breathing during exercise remains the source of considerable debate. Classical schemes of the exercise hyperpnea have incorporated elements of proportional feed-back from chemoreceptor sites (carotid body and brainstem) and feed-forward neurogenic (central command and muscle reflex) control. However, the precise details of the control process are still not fully resolved, reflecting in part technical and interpretational limitations inherent in isolating putative control mechanisms in the intact exercising human and also the challenges presented by the ventilatory and gas-exchange complexities encountered at work rates which engender a metabolic (lactic) acidosis. Although some combination of neurogenic, chemoreflex, and circulatory-coupled processes are likely to contribute to the control, intriguingly, the overall system appears to evidence considerable redundancy. This, coupled with the lack of appreciable steady-state error signals in the mean levels of arterial PCO2, PO2, and pH over a wide range of work rates, has motivated the formulation of innovative control models that reflect not only spatial interactions but also temporal interactions (i.e., short-term and longer-term ‘memory’). The challenge remains to discriminate between robust control schemes that (a) integrate such processes within plausible physiological equivalents, and (b) account for both the dynamic and steady-state system response over the entire range of exercise intensities. Table of Contents: Introduction / Ventilatory Requirements / Ventilatory Responses / Ventilatory Control / Conclusions / References
Energetics Of Muscular Exercise
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Author : Guido Ferretti
language : en
Publisher: Springer
Release Date : 2015-03-25
Energetics Of Muscular Exercise written by Guido Ferretti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-25 with Medical categories.
This book discusses the maximal power and capacity of the three major biochemical pathways - aerobic (oxygen consumption), anaerobic lactic (muscle lactate accumulation in absence of oxygen consumption), and anaerobic alactic (phosphocreatine hydrolysis) metabolism - as well as the factors that limit them. It also discusses the metabolic and cardio-pulmonary mechanisms of the dynamic response to exercise. The way and extent to which the power and capacity of the three major energy metabolisms are affected under a number of different conditions, such as training, hypoxia and microgravity, are also described.
An Exploration Of The Role Of Muscle Temperature In The Control Of Breathing During Exercise
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Author : Donald Pryse Morgan
language : en
Publisher:
Release Date : 1953
An Exploration Of The Role Of Muscle Temperature In The Control Of Breathing During Exercise written by Donald Pryse Morgan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Muscles categories.
Biochemistry For Sport And Exercise Metabolism
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Author : Donald MacLaren
language : en
Publisher: Wiley
Release Date : 2024-10-28
Biochemistry For Sport And Exercise Metabolism written by Donald MacLaren and has been published by Wiley this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-10-28 with Science categories.
All-new edition of an introductory textbook on sport and exercise biochemistry and muscle metabolism Biochemistry for Sport and Exercise Metabolism initially examines the essence of the biochemistry of the macronutrients before exploring how exercise mode, intensity, and duration, training status, and nutritional status affects the regulation of energy producing pathways, enabling readers to apply this understanding to develop training and nutrition programs that maximize athletic performance. This textbook includes an overview of energy metabolism, skeletal muscle structure and function and related biochemical concepts, carbohydrates, lipids, and proteins, metabolism, regulation of metabolism, and factors that can influence metabolism, and fatigue. This revised and updated Second Edition reflects some of the latest advances in the field, with new content on metabolic regulation as well as adaptations to high intensity and strength exercise, endurance exercise, and intermittent exercise. Furthermore, there is a new chapter on biochemical techniques to provide some pertinent background on how reported metabolic changes during exercise are achieved. This textbook features learning objectives, keywords, and key points in each chapter to aid in reader comprehension and reinforce information retention. Written by two highly qualified authors, Biochemistry for Sport and Exercise Metabolism discusses sample topics including: How the energy supply for muscle contraction is achieved from carbohydrates, lipids and protein Muscle contraction, covering propagation of the action potential, excitation-contraction coupling, and the sliding filament mechanism Regulation of the energy systems providing energy for exercise Techniques for exercise metabolism, including respiratory analysis, ergometry, blood sampling, metabolomics, a-v differences, muscle biopsy, and isotopes Exploration of the metabolic events occurring during high intensity, endurance, and high-intensity intermittent forms of exercise Clearly written and completely comprehensive, the Second Edition of Biochemistry for Sport and Exercise Metabolism continues to be an invaluable learning resource for students across a wide range of sport-related courses.
Exercise Metabolism
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Author : Mark Hargreaves
language : en
Publisher: Human Kinetics
Release Date : 2006
Exercise Metabolism written by Mark Hargreaves and has been published by Human Kinetics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Energy metabolism categories.
A comprehensive reference for biochemists, sport nutritionists, exercise physiologists, and graduate students in those disciplines. Provides information on the metabolic processes that take place during exercise, examining in depth the mobilization and utilization of substrates during physical activity. Focuses primarily on the skeletal muscle, but also discusses the roles of the liver and adipose tissue. Annotation copyright by Book News, Inc., Portland, OR
Respiratory Muscle Training
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Author : Alison McConnell
language : en
Publisher: Elsevier Health Sciences
Release Date : 2013-04-18
Respiratory Muscle Training written by Alison McConnell and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-18 with Medical categories.
Respiratory Muscle Training: theory and practice is the world’s first book to provide an "everything-you-need-to-know" guide to respiratory muscle training (RMT). Authored by an internationally-acclaimed expert, it is an evidence-based resource, built upon current scientific knowledge, as well as experience at the cutting-edge of respiratory training in a wide range of settings. The aim of the book is to give readers: 1) an introduction to respiratory physiology and exercise physiology, as well as training theory; 2) an understanding of how disease affects the respiratory muscles and the mechanics of breathing; 3) an insight into the disease-specific, evidence-based benefits of RMT; 4) advice on the application of RMT as a standalone treatment, and as part of a rehabilitation programme; and finally, 5) guidance on the application of functional training techniques to RMT. The book is divided into two parts – theory and practice. Part I provides readers with access to the theoretical building blocks that support practice. It explores the evidence base for RMT as well as the different methods of training respiratory muscles and their respective efficacy. Part II guides the reader through the practical implementation of the most widely validated form of RMT, namely inspiratory muscle resistance training. Finally, over 150 "Functional" RMT exercises are described, which incorporate a stability and/or postural challenge – and address specific movements that provoke dyspnoea. Respiratory Muscle Training: theory and practice is supported by a dedicated website (www.physiobreathe.com), which provides access to the latest information on RMT, as well as video clips of all exercises described in the book. Purchasers will also receive a three-month free trial of the Physiotec software platform (via www.physiotec.ca), which allows clinicians to create bespoke training programmes (including video clips) that can be printed or emailed to patients. Introductory overviews of respiratory and exercise physiology, as well as training theory Comprehensive, up-to-date review of respiratory muscle function, breathing mechanics and RMT Analysis of the interaction between disease and respiratory mechanics, as well as their independent and combined influence upon exercise tolerance Analysis of the rationale and application of RMT to over 20 clinical conditions, e.g., COPD, heart failure, obesity, mechanical ventilation Evidence-based guidance on the implementation of inspiratory muscle resistance training Over 150 functional exercises that incorporate a breathing challenge www.physiobreathe.com - access up-to-date information, video clips of exercises and a three-month free trial of Physiotec’s RMT exercise module (via www.physiotec.ca)
Tissue Oxygen Utilization
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Author : Guillermo Gutierrez
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Tissue Oxygen Utilization written by Guillermo Gutierrez and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
Disturbances in peripheral O extraction can be produced in dogs treated with 2 endotoxin and thereby provide an opportunity to test theories for the origin of pathological O supply dependency or to try different treatment modalities. The 2 most serious deficiency in the current animal models is the inability to mimic the increased O demand that is observed in patients at 02 delivery rates in excess of 2 normal. A particular feature of this increased O demand is that it apparently does 2 not stimulate increased 02 extraction, although the limitation in O extraction has 2 not been explored in patients by lowering 02 supply, for obvious reasons. At least two possibilities to account for increased 02 demand could be investigated in animal models, however. The amount of 02 that is utilized in extramitochondrial pathways, which is normally on the order of 10%, may be greatly increased in ARDS and sepsis by O radical formation. There is presently no information 2 concerning how much 02 might be used in this way. Another strong possibility is that mitochondrial injury, perhaps as a result of 02 radical formation, uncouples oxidative phosphorylation. Some evidence presently in the literature supports this idea [19]. Indeed, the association of increased blood lactate levels with higher than expected 02 demands makes uncoupling a very attractive hypothesis that warrants further investigation in animal models using such agents as 2,4-dinitrophenol. References 1.
The Biology Of Exercise
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Author : Michael J. Joyner
language : en
Publisher: Perspectives Cshl
Release Date : 2017
The Biology Of Exercise written by Michael J. Joyner and has been published by Perspectives Cshl this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Medical categories.
Exercise training provokes widespread transformations in the human body, requiring coordinated changes in muscle composition, blood flow, neuronal and hormonal signaling, and metabolism. These changes enhance physical performance, improve mental health, and delay the onset of aging and disease. Understanding the molecular basis of these changes is therefore important for optimizing athletic ability and for developing drugs that elicit therapeutic effects. Written and edited by experts in the field, this collection from Cold Spring Harbor Perspectives in Medicine examines the biological basis of exercise from the molecular to the systemic levels. Contributors discuss how transcriptional regulation, cytokine and hormonal signaling, glucose metabolism, epigenetic modifications, microRNA profiles, and mitochondrial and ribosomal functions are altered in response to exercise training, leading to improved skeletal muscle, hippocampal, and cardiovascular function. Cross talk among the pathways underlying tissue-specific and systemic responses to exercise is also considered. The authors also discuss how the understanding of such molecular mechanisms may lead to the development of drugs that mitigate aging and disease. This volume will therefore serve as a vital reference for all involved in the fields of sports science and medicine, as well as anyone seeking to understand the molecular mechanisms by which exercise promotes whole-body health.
Hormones Metabolism And The Benefits Of Exercise
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Author : Bruce Spiegelman
language : en
Publisher: Springer
Release Date : 2018-03-07
Hormones Metabolism And The Benefits Of Exercise written by Bruce Spiegelman and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-07 with Science categories.
The world is faced with an epidemic of metabolic diseases such as obesity and type 2 diabetes. This is due to changes in dietary habits and the decrease in physical activity. Exercise is usually part of the prescription, the first line of defense, to prevent or treat metabolic disorders. However, we are still learning how and why exercise provides metabolic benefits in human health. This open access volume focuses on the cellular and molecular pathways that link exercise, muscle biology, hormones and metabolism. This will include novel “myokines” that might act as new therapeutic agents in the future.