Download or read book Prior Exercise Speeds Pulmonary Oxygen Uptake Kinetics and Increases Critical Power During Supine But Not Upright Cycling written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Muscle and Exercise Physiology written by Jerzy A. Zoladz and published by Academic Press. This book was released on 2018-11-05 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: Muscle and Exercise Physiology is a comprehensive reference covering muscle and exercise physiology, from basic science to advanced knowledge, including muscle power generating capabilities, muscle energetics, fatigue, aging and the cardio-respiratory system in exercise performance. Topics presented include the clinical importance of body responses to physical exercise, including its impact on oxygen species production, body immune system, lipid and carbohydrate metabolism, cardiac energetics and its functional reserves, and the health-related effects of physical activity and inactivity. Novel topics like critical power, ROS and muscle, and heart muscle physiology are explored. This book is ideal for researchers and scientists interested in muscle and exercise physiology, as well as students in the biological sciences, including medicine, human movements and sport sciences. Contains basic and state-of-the-art knowledge on the most important issues of muscle and exercise physiology, including muscle and body adaptation to physical training, the impact of aging and physical activity/inactivity Provides both the basic and advanced knowledge required to understand mechanisms that limit physical capacity in both untrained people and top class athletes Covers advanced content on muscle power generating capabilities, muscle energetics, fatigue and aging
Download or read book Oxygen Uptake Kinetics in Sport Exercise and Medicine written by Andrew M. Jones and published by Routledge. This book was released on 2013-07-04 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite its crucial importance, scientists interested in the limitations of human physical performance have only just started to give the field of oxygen uptake kinetics the attention it deserves. Understanding the principal determinant of the oxygen uptake kinetics is fundamental to improving human performance or the quality of life. This book provides a detailed overview of the current state of knowledge of this emerging field of study, and features: * an introduction to oxygen uptake kinetics and historical development of the discipline * measurement and analysis of oxygen uptake kinetics * control of and limitations to oxygen uptake kinetics * applications of oxygen uptake kinetics in a range of human populations. Oxygen Uptake Kinetics in Sport, Health and Medicine is richly illustrated and structured to enable easy access of information and represents an invaluable resource for students and researchers in exercise physiology, as well as for respiratory physiologists and pulmonary clinicians.
Download or read book The Effect of Moderate Vs Heavy intensity Priming Exercise on Oxygen Uptake Kinetics During Constant Work Rate Cycling written by Anna M. Kinzel and published by . This book was released on 2018 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background: Warming-up prior to exercise, sometimes referred to as priming exercise, is a common practice for most athletes. Heavy-intensity priming exercise (HIPE) has been shown to improve pulmonary oxygen uptake kinetics during a subsequent bout of heavy work compared to moderate-intensity priming exercise (MIPE). Less is understood about the effect of priming on regional muscle oxygen response (rMO2). Purpose: To determine if there is a significant difference between MIPE and HIPE on VO2 and rMO2 during constant work rate cycling (CWR)
Download or read book Pulmonary Gas Exchange written by G. Kim Prisk and published by Biota Publishing. This book was released on 2013-08-01 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lung receives the entire cardiac output from the right heart and must load oxygen onto and unload carbon dioxide from perfusing blood in the correct amounts to meet the metabolic needs of the body. It does so through the process of passive diffusion. Effective diffusion is accomplished by intricate parallel structures of airways and blood vessels designed to bring ventilation and perfusion together in an appropriate ratio in the same place and at the same time. Gas exchange is determined by the ventilation-perfusion ratio in each of the gas exchange units of the lung. In the normal lung ventilation and perfusion are well matched, and the ventilation-perfusion ratio is remarkably uniform among lung units, such that the partial pressure of oxygen in the blood leaving the pulmonary capillaries is less than 10 Torr lower than that in the alveolar space. In disease, the disruption to ventilation-perfusion matching and to diffusional transport may result in inefficient gas exchange and arterial hypoxemia. This volume covers the basics of pulmonary gas exchange, providing a central understanding of the processes involved, the interactions between the components upon which gas exchange depends, and basic equations of the process.
Download or read book Science and Application of High Intensity Interval Training written by Laursen, Paul and published by Human Kinetics. This book was released on 2019 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: The popularity of high-intensity interval training (HIIT), which consists primarily of repeated bursts of high-intensity exercise, continues to soar because its effectiveness and efficiency have been proven in use by both elite athletes and general fitness enthusiasts. Surprisingly, few resources have attempted to explain both the science behind the HIIT movement and its sport-specific application to athlete training. That’s why Science and Application of High-Intensity Interval Training is a must-have resource for sport coaches, strength and conditioning professionals, personal trainers, and exercise physiologists, as well as for researchers and sport scientists who study high-intensity interval training.
Download or read book Energetics of Muscular Exercise written by Guido Ferretti and published by Springer. This book was released on 2015-03-25 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book The Effect of Muscle Mass During Priming Exercise on Pulmonary Oxygen Uptake and Cardiac Output Kinetics written by Ryan Seeto and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Respiratory Physiology written by John Burnard West and published by . This book was released on 1996 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Present-day respiratory physiology stems largely from the explosion of ideas which took place during and after World War II. A number of the major players are still active, but the opportunity to prepare a personal history of this branch of medicine will soon be lost. In a sense then, this book offers an exceptional, even unique, opportunity. We are offered a first-hand chronicle of the advancements made in respiratory physiology in the course of this century by one of the principal figures in the field. The volume covers every aspect of the evolution of this important area of knowledge: morphology, gas exchange and blood flow, mechanics, control of ventillation, and comparative physiology. Some of the chapters are personal accounts of the development of respiratory physiology as observed by the author. It is hoped that what is lost in objectivity by this approach is more than made up by the captivating insights provided by the author into the process of scientific research and discovery.
Download or read book Textbook of Work Physiology written by Per-Olof Åstrand and published by Human Kinetics. This book was released on 2003 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated and revised fourth edition of the respected Textbook of Work Physiology combines classical issues in exercise and work physiology with the latest scientific findings. The result is an outstanding professional reference that will be indispensable to advanced students, physiologists, clinicians, physical educators--any professional pursuing study of the body as a working machine. Written by world-renowned exercise physiologists and sports medicine specialists, the new edition retains the important historical background and exercise physiology research conducted by the authors over the past 40 years. In addition, it brings you up-to-date on the growth in the field since the previous edition, presenting today's most current scientific research findings. Beyond the scientific details, the book also addresses the application of this information to the fields of exercise physiology and work physiology, making the resource more useful than ever. Textbook of Work Physiology, Fourth Edition includes these updated features: -More than 1,600 references -"Classical studies" and "additional reading" side boxes for those who wish to study a topic more closely -In-depth studies taken from the working world, recreational activities, and elite sport -More than 380 illustrations, tables, and photos -Comprehensive appendix, including glossary, list of symbols, conversion tables, and definitions of terms and units
Download or read book Advances in Ergometry written by Norbert Bachl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exercise testing is widely used all over the world to assess functional capacity in athletes, healthy subjects and patients. According to recent surveys, the interest in ergometry is still growing in almost all fields of medicine, especially in private practice. Furthermore, there has been an exponential growth in the number of publications on exercise testing in the last years. Several consensus and task force conferences have dealt with exercise testing and published recommendations on standardization and guidelines in ergometry. These factors have, in combination, initiated an upsurge in research and clinical use of exercise testing. At the 6th International Seminar on Ergometry the latest findings and advances in ergometry were discussed. Reviews and results of the congress covering a wide range of features in exercise testing are presented in this book. The editors hope that this book will make a substantial contribution to our knowledge regarding exercise testing and will help physicians to appropriately evaluate exercise testing in healthy and diseased subjects. The editors are indepted to Miss I. Baumgartner and Mr. W. Reith for their effort in typing and preparing the manuscripts. The editors are greatful to Springer-Verlag for the close cooperation and for their expertise in publishing the present volume. N. Bachl T. Graham H. Lallgen Contents W. Hollmann The Anaerobic Threshold as a Tool in Medicine ........... 1 L. Prokop Genetic Influences on Cardiovascular Capacity ............... 12 1) ARRHYTHMIA AND EXERCISE . . . • . . • . • • . • . 19 . . .
Download or read book High Intensity Exercise in Hypoxia Beneficial Aspects and Potential Drawbacks written by Olivier Girard and published by Frontiers Media SA. This book was released on 2018-01-25 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past, ‘traditional’ moderate-intensity continuous training (60-75% peak heart rate) was the type of physical activity most frequently recommended for both athletes and clinical populations (cf. American College of Sports Medicine guidelines). However, growing evidence indicates that high-intensity interval training (80-100% peak heart rate) could actually be associated with larger cardiorespiratory fitness and metabolic function benefits and, thereby, physical performance gains for athletes. Similarly, recent data in obese and hypertensive individuals indicate that various mechanisms – further improvement in endothelial function, reductions in sympathetic neural activity, or in arterial stiffness – might be involved in the larger cardiovascular protective effects associated with training at high exercise intensities. Concerning hypoxic training, similar trends have been observed from ‘traditional’ prolonged altitude sojourns (‘Live High Train High’ or ‘Live High Train Low’), which result in increased hemoglobin mass and blood carrying capacity. Recent innovative ‘Live Low Train High’ methods (‘Resistance Training in Hypoxia’ or ‘Repeated Sprint Training in Hypoxia’) have resulted in peripheral adaptations, such as hypertrophy or delay in muscle fatigue. Other interventions inducing peripheral hypoxia, such as vascular occlusion during endurance/resistance training or remote ischemic preconditioning (i.e. succession of ischemia/reperfusion episodes), have been proposed as methods for improving subsequent exercise performance or altitude tolerance (e.g. reduced severity of acute-mountain sickness symptoms). Postulated mechanisms behind these metabolic, neuro-humoral, hemodynamics, and systemic adaptations include stimulation of nitric oxide synthase, increase in anti-oxidant enzymes, and down-regulation of pro-inflammatory cytokines, although the amount of evidence is not yet significant enough. Improved O2 delivery/utilization conferred by hypoxic training interventions might also be effective in preventing and treating cardiovascular diseases, as well as contributing to improve exercise tolerance and health status of patients. For example, in obese subjects, combining exercise with hypoxic exposure enhances the negative energy balance, which further reduces weight and improves cardio-metabolic health. In hypertensive patients, the larger lowering of blood pressure through the endothelial nitric oxide synthase pathway and the associated compensatory vasodilation is taken to reflect the superiority of exercising in hypoxia compared to normoxia. A hypoxic stimulus, in addition to exercise at high vs. moderate intensity, has the potential to further ameliorate various aspects of the vascular function, as observed in healthy populations. This may have clinical implications for the reduction of cardiovascular risks. Key open questions are therefore of interest for patients suffering from chronic vascular or cellular hypoxia (e.g. work-rest or ischemia/reperfusion intermittent pattern; exercise intensity; hypoxic severity and exposure duration; type of hypoxia (normobaric vs. hypobaric); health risks; magnitude and maintenance of the benefits). Outside any potential beneficial effects of exercising in O2-deprived environments, there may also be long-term adverse consequences of chronic intermittent severe hypoxia. Sleep apnea syndrome, for instance, leads to oxidative stress and the production of reactive oxygen species, and ultimately systemic inflammation. Postulated pathophysiological changes associated with intermittent hypoxic exposure include alteration in baroreflex activity, increase in pulmonary arterial pressure and hematocrit, changes in heart structure and function, and an alteration in endothelial-dependent vasodilation in cerebral and muscular arteries. There is a need to explore the combination of exercising in hypoxia and association of hypertension, developmental defects, neuro-pathological and neuro-cognitive deficits, enhanced susceptibility to oxidative injury, and possibly increased myocardial and cerebral infarction in individuals sensitive to hypoxic stress. The aim of this Research Topic is to shed more light on the transcriptional, vascular, hemodynamics, neuro-humoral, and systemic consequences of training at high intensities under various hypoxic conditions.
Download or read book Effects of Prior Exercise on the On transient Oxygen Uptake Kinetics of Constant load Exercise written by Mark Burnley and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Handbook of Sports Medicine and Science written by Niels H. Secher and published by John Wiley & Sons. This book was released on 2009-04-08 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the Handbook of Sports Medicine and Science series delivers up-to-date scientific knowledge alongside practical applications in rowing, making it an invaluable resource for researchers, coaches and rowers of all abilities. Published under the auspices of the International Olympic Committee, in collaboration with the International Rowing Federation (FISA), Rowing: Provides key knowledge of the historical, nutritional and psychological aspects of rowing Offers ground-breaking physiological insights which can help shape future training methodologies Features a rowing periodization plan to help trainers and athletes create comprehensive and effective training programs, racing plans and tactics. Rowing brings together internationally renowned experts with experience in competitive rowing and sports medicine, making this the complete handbook of medicine, science and practice in rowing.
Download or read book The Influence of Posture and Muscle Contraction Rate on the Oxygenation Status of the Vastus Lateralis While Cycling written by Dongwoo Hahn and published by . This book was released on 2015 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the factors that can influence the supply of blood and oxygen to the contracting skeletal muscle, the effects of posture and muscle contraction rate were investigated in this study. We hypothesized that the supine posture (SUP) would elicit less oxygenation of the vastus lateralis when cycling during moderate to intense exercise compared to upright posture (UP). In addition, we hypothesized that higher muscle contraction rate would be effective to minimize the desaturation of the vastus lateralis while cycling, and it would elicit a greater volume of oxygen uptake. A total 16 of participants were tested during upright and supine cycling at 60 RPM and 100 RPM. The four exercise intensities were calculated relative to their individual peak aerobic capacity during upright cycling. Near-infrared spectroscopy (NIRS) was applied to measure the concentrations of oxygenated hemoglobin (O2Hb) and deoxygenated hemoglobin (HHb) of the vastus lateralis. In addition, pulmonary gas exchange (VO2) and heart rate (HR) were measured. As a result, (HHb) was increased and % O2 saturation was decreased as the exercise intensity increased (p
Download or read book Principles of Exercise Testing and Interpretation written by Karlman Wasserman and published by Lww. This book was released on 2015-04-27 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this fifth edition of Principles of Exercise Testing and Interpretation, as in earlier editions, we attempt to develop conceptual advances in the physiology and pathophysiology of exercise, particularly as related to the practice of medicine. The underlying theme of the book continues to be the recognition that the most important requirement for exercise performance is transport of oxygen to support the bioenergetic processes in the muscle cells (including, of course, the heart) and elimination of the carbon dioxide formed as a byproduct of exercise metabolism. Thus, appropriate cardiovascular and ven- tilatory responses are required to match those of muscle respiration in meeting the energy demands of exercise. As depicted by the logo on the book cover, normal exercise performance requires an efficient coupling of external to internal (cellular) respiration. Appropriate treatment of exercise intolerance requires that patients' symptoms be thought of in terms of a gas exchange defect between the cell and the environment. The defect may be in the lungs, heart, peripheral or pulmonary circulations, the muscles themselves, or there may be a combination of defects. Thus, we describe the pathophysiology in gas transport and exchange that affect any site in the cardio- respiratory coupling between the lungs and the muscles. We illustrate how cardiopulmonary exercise testing can provide the means for a critical evaluation by the clinician-scientist of the functional competency of each component in the coupling of cellular to external respiration, including the cardiovascular system. To achieve this, clinical cases are used to illustrate the wide spectrum of pathophysiology capable of causing exercise intolerance"--Provided by publisher.
Download or read book The Physiotherapist s Pocket Guide to Exercise E Book written by Angela Jane Glynn and published by Elsevier Health Sciences. This book was released on 2009-04-07 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is for therapists involved in exercise therapy for the prevention and treatment of disease. It covers exercise assessment, current prescription guidelines, precautions, exercise design and clinical case studies. The book also includes exercises to increase strength, power, local muscle endurance, range of movement and aerobic capacity and will be relevant to all areas of therapy practice. In addition to the general guidelines, considerations for exercise groups and exercise at home as well as exercise in special patient populations are addressed. This allows therapists who are expert in one area to become familiar with exercise prescription in another. The book underpins therapeutic exercise in general and also addresses specific considerations for particular clinical situations within current guidelines and practical considerations. Underpinning exercise physiology Physical principles of exercise design Guidelines for exercise training Clinical exercise prescription Limitations to exercise in common conditions Example case studies
