Cardiovascular Responses to Exercise: Second Edition (Colloquium Series on Integrated Systems Physiology: from Molecule to Function to Disease)
暫譯: 運動對心血管反應:第二版(綜合系統生理學研討會系列:從分子到功能再到疾病)

Lusha Xiang, Robert L. Hester

  • 出版商: Morgan & Claypool
  • 出版日期: 2016-12-01
  • 售價: $2,090
  • 貴賓價: 9.5$1,986
  • 語言: 英文
  • 頁數: 134
  • 裝訂: Paperback
  • ISBN: 1615047263
  • ISBN-13: 9781615047260
  • 海外代購書籍(需單獨結帳)

商品描述

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.

商品描述(中文翻譯)

運動是提高新陳代謝率以增強身體健康的行為。運動可能是身體所承受的最具壓力的生理反應之一。在運動過程中,新陳代謝率、心率、血流(充血)、呼吸和熱量產生均會增加。運動期間增加的新陳代謝需求透過增加的血流(功能性充血)和供氧來滿足,這些過程由多種局部和全身機制調節。局部機制(因素)負責調節肌肉的穩態和血管導電性,以匹配增加的新陳代謝需求,而全身機制則負責維持血壓和整體心血管穩態,包括心輸出量的增加和重新分配,這主要是由交感神經的激活所介導。例如,運動期間血管阻力的顯著降低和隨之而來的血流大幅增加需要更高的血壓和更多的心輸出量,以便代謝活躍的肌肉能夠獲得足夠的血流。本書將概述在生理條件下以及某些病理情況下,心血管對運動的反應。