Download or read book The Effect of Age on the Relationship Between Pulmonary Oxygen Uptake and Muscle Deoxygenation at the Onset of Exercise written by Darren Scott DeLorey and published by . This book was released on 2004 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Age on the Relationship Between Pulmonary Oxygen Uptake and Muscle Deoxygenation at the Onset of Exercise written by Darren Scott DeLorey and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Age on the Relationship Amongst Oxygen Uptake Leg Blood Flow and Muscle Deoxygenation Kinetics During Moderate intensity Exercise written by Gregory R. duManoir and published by . This book was released on 2010 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pulmonary Oxygen Uptake and Muscle Oxygenation Responses to Exercise in Well trained Young and Middle aged Cyclists written by Benjamin James Dascombe and published by . This book was released on 2007 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the effect of age on pulmonary oxygen intake and muscle oxgenation responses to exercise in well-trained cyclists.
Download or read book Adjustment of Pulmonary O2 Uptake Muscle Deoxygenation and Metabolism During Moderate intensity Exercise Transitions Initiated from Low and Elevated Baseline Metabolic Rates written by Joshua Peter Nederveen and published by . This book was released on 2013 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: When instantaneous step-wise transitions within the moderate intensity domain are initiated from elevated metabolic rates, the rate of pulmonary oxygen uptake (VȮ2p) adjustment is slowed, and the VȮ2p gain (VȮ2p /WR) is greater. This study sought to determine the relationship between VȮ2p kinetics and metabolic activity and energy status during step transitions from low and elevated metabolic rates within the moderate intensity domain. Ten young men completed six double-step constant load cycling bouts, consisting of step-wise transitions from 20 W to 45% L and 45% L [lower step (LS)] to 90% L [upper step (US)], one double-step bout included needle biopsies at; baseline, steady-state values and during transitions. Gas exchange was analyzed breath-by-breath and muscle de-oxygenation status ([HHb]) was measured with near infrared spectroscopy. The VȮ2p gain in the US (10.37 ± 1.49) was greater (p2p (VȮ2p) in the US (34 ± 12) was slower (pamp in the US (3.5 ± 2.6) was decreased (pfree] and [Pi] concentration was increased (p15) and remained elevated relative to baseline through the protocol. The calculated G ATP values at the LS 360 and the US 360 were both significantly (p
Download or read book Essentials of Exercise Physiology written by William D. McArdle and published by Lippincott Williams & Wilkins. This book was released on 2006 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully revised and updated, this Third Edition provides excellent coverage of the fundamentals of exercise physiology, integrating scientific and clinical information on nutrition, energy transfer, and exercise training. The book is lavishly illustrated with full-color graphics and photos and includes real-life cases, laboratory-type activities, and practical problem-solving questions. This edition has an Integrated Workbook in the margins that reinforces concepts, presents activities to test knowledge, and aids students in taking notes. An accompanying CD-ROM contains multiple-choice and true/false questions to help students prepare for exams. LiveAdvise online faculty support and student tutoring services are available free with the text.
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 Oxygen Uptake Kinetics in Sport Exercise and Medicine written by Andrew M. Jones and published by Psychology Press. This book was released on 2005-01-01 with total page 405 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 Oxygen Uptake and Blood Flow Kinetics Following the Onset of Exercise in Trained Humans written by Azmy Faisal and published by . This book was released on 2010 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main hypothesis of this thesis was that the regulation of oxygen uptake (VO2) kinetics at the onset of exercise in trained young men is linked to cardiovascular adaptations. Two studies were conducted to investigate the interrelationships between oxygen (O2) transport and O2 utilization in accelerating VO2 kinetics at the onset of exercise. In the first study, simultaneous kinetics of VO2 and cardiac output (Q) were studied during the transition to heavy and moderate cycling exercise (Chapter 2). The acceleration of VO2 kinetics during the heavy exercise that followed prior moderate or heavy exercise was enabled by the rapid increase in Q; whereas, the acceleration of VO2 kinetics during moderate exercise that followed a heavy warm-up was associated with small changes in Q kinetics. The objective of the second study was to determine, in a model of forearm exercise, if the elevation of forearm blood flow (FBF) prior to the onset of exercise by prior circulatory occlusion would accelerate FBF and muscle oxygen uptake (VO2mus)kinetics during subsequent exercise as demonstrated previously for prior exercise (Chapter 3). Prolonged ischemia (15 min occlusion) followed by 3 min recovery reduced FBF and impaired VO2mus kinetics during subsequent heavy hand-grip exercise. However, prior heavy exercise confirmed the previous findings and resulted in a faster FBF and VO2mus kinetics. There was a high positive correlation between the time course of change in FBF and VO2mus at the onset heavy exercise. In a follow up of the second study, to investigate a possible mechanism for the slower adaptation of VO2mus following ischemia, the prior occlusion condition was repeated after ingesting a high dose of ibuprofen. Prostaglandin inhibition by ibuprofen augmented the FBF response during reactive hyperaemia and restored FBF during the heavy exercise that followed 15 min of circulatory occlusion to the control level. These two studies provide evidence that O2 delivery plays a dominant role in accelerating VO2 kinetics at the onset of heavy exercise in trained young men. The findings exposed differences in the mechanisms regulating pulmonary VO2 and VO2mus with prior exercise resulting in higher Q and FBF, but no changes in O2 extraction to yield the faster increase in pulmonary VO2 and VO2 at the onset of subsequent heavy exercise. In contrast, prior occlusion slightly retarded the increase in FBF and significantly reduced O2 extraction thus delaying VO2 kinetics. The precise mechanisms impairing VO2mus kinetics at the onset of heavy forearm hand-grip exercise that starts after a brief recovery from prolonged occlusion are still unknown, but this impairment may be partially due to a vasoconstrictor effect restricting blood flow during the adaptation to exercise and redistribution of the blood to the periphery. In a third study, the influence of muscle activity on the VO2 slow component during heavy exercise and O2 cost during moderate exercise that followed a heavy warm-up were examined (Chapter 4). The heavy exercise VO2 slow component was attenuated in a graded fashion by prior moderate and heavy warm-ups, and the principal components analysis showed a moderate but significant correlation between the changes in the integrated electromyographic activity and the VO2 slow component amplitude. The higher O2 cost of moderate exercise following a heavy warm-up was associated with higher mean power frequency. Changes in VO2 slow component and increased O2 cost during moderate exercise after prior heavy warm-up appear to be related to some changes in surface electromyographic activity which may provide some evidence for increased muscle fibres recruitment.
Download or read book The Effect of Hyperventilation induced Hypocapnic Alkalosis on the Relationship Amongst Oxygen Uptake Leg Blood Flow and Muscle Deoxygenation Kinetics During Moderate intensity Exercise written by Lisa Mei Kim Chin and published by . This book was released on 2009 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Oxford Textbook of Children s Sport and Exercise Medicine written by Neil Armstrong and published by Oxford University Press. This book was released on 2023 with total page 785 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 4th edition of the Oxford Textbook of Children's Sport and Exercise Medicine is the definitive single-volume reference in the field presented in four sections Exercise Science; Exercise Medicine; Sport Science; and Sport Medicine.
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lifestyle in Heart Health and Disease written by Ronald Ross Watson and published by Academic Press. This book was released on 2018-01-18 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lifestyle and Heart Health and Disease provides a comprehensive evaluation of lifestyle factors that modify heart function and structure. It includes coverage of a wide range of lifestyle factors, including physical activity, alcohol, tobacco, drugs of abuse, nutrition and psychosocial factors. The book clearly presents the scientific evaluation of published research relating to general responses by scientists, physicians and patients, along with new research on the role of lifestyle in the prevention, amelioration and causation of cardiac remodeling and disease. Explains the pathogenic mechanisms of cardiovascular diseases and the targets of therapy Presents methods contained within the book that can be applied to the diagnosis of heart disease Contains a concise summary with recommendations for actions and conclusions Provides a one-stop-shopping synopsis of key ideas associated with many aspects of lifestyle
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 Highlights in Pediatric Cardiology 2021 written by Ruth Heying and published by Frontiers Media SA. This book was released on 2021-08-19 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Regulation of Tissue Oxygenation Second Edition written by Roland N. Pittman and published by Biota Publishing. This book was released on 2016-08-18 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
