Overview

Exercise is the act of increasing metabolic rate for the purpose of enhancing physical fitness. Exercise can be one of the most stressful physiological responses that the body undertakes. With exercise, there are increases in metabolic rate, heart rate, blood flow (hyperemia), respiration, and heat production. The increased metabolic requirement during exercise is well met by an increased blood flow (functional hyperemia) and oxygen supply to the exercising tissue, which is regulated by multiple local and systemic mechanisms. The local mechanisms (factors) are responsible for mediating the muscle homeostasis and vascular conductance to match the increased metabolic requirement, whereas the systemic mechanisms are responsible for the maintenance of blood pressure and global cardiovascular homeostasis, including the increase in and redistribution of cardiac output, which is mainly mediated by sympathetic activation. For instance, the substantial decreases in vascular resistance and resultant large increase in blood flow during exercise require higher blood pressure and more cardiac output, such that the metabolically active muscle can be perfused with adequate blood flow. This book will provide an overview of the cardiovascular responses to exercise under physiological conditions as well as some pathological circumstances.

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9781615047260

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Reviews

This textbook by Lusha Xiang and Robert Hester represents a much-needed contribution to our existing store of knowledge. Xiang and Hester's work is extremely thorough... The work is very well and clearly written, easily understood by an audience with a wide array of experiences and would be extremely beneficial to multiple curricula and independent learning efforts. The illustrations are very clear and well-integrated with the body text, and the information is extremely well referenced. This strikes me as an excellent reference text for the integrated understanding of how the cardiovascular system responds, at multiple levels, to exercise and metabolic challenge. The authors are to be commended for this work. - Jefferson C. Frisbee, Western University, Ontario The textbook, Cardiovascular Responses to Exercise written by Drs. Lusha Xiang Ph.D. and Robert Hester, Ph.D. is an informative review of the current scientific understanding of the physiological responses to exercise. The authors are able to describe complex physiological principles in a writing style that is easily understandable and logically organized... I would like to congratulate the authors on their outstanding contribution to the field of exercise science. - Jay Naik, University of New Mexico School of Medicine

Author Information

University of Mississippi Medical Center University of Mississippi Medical Center LSU Health Sciences, Shreveport

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