tailieunhanh - Exercise Physiology: For Health, Fitness, and Performance_1

Tham khảo sách 'exercise physiology: for health, fitness, and performance_1', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | After studying the chapter you should be able to Describe what exercise physiology is and discuss why you need to study it. Identify the organizational structure of this text. Differentiate between exercise responses and training adaptations. List and explain the six categories of exercise whose responses are discussed throughout this book. List and explain the factors involved in interpreting an exercise response. Describe the graphic patterns that physiological variables may exhibit in response to different categories of exercise and as a result of adaptations to training. List and explain the training principles. Describe the differences and similarities between health-related and sport-specific physical fitness. Define and explain periodization. Define detraining. Relate exercise and exercise training to Selye s Theory of Stress. 1 2 INTRODUCTION In the 1966 science fiction movie Fantastic Voyage CBS Fox a military medical team is miniaturized in a nuclear-powered submarine and is injected through a hypodermic needle into the carotid artery. Anticipating an easy float into the brain where they plan to remove a blood clot by laser beam they are both awed by what they see and imperiled by what befalls them. They see erythrocytes turning from an iridescent blue to vivid red as oxygen bubbles replace carbon dioxide nerve impulses appear as bright flashes of light and when their sub loses air pressure all they need to do is tap into an alveolus. Not all of their encounters are so benign however. They are sucked into a whirlpool caused by an abnormal fistula between the carotid artery and the jugular vein. They have to get the outside team to stop the heart so that they will not be crushed by its contraction. They are jostled about by the conduction of sound waves in the inner ear. They are attacked by antibodies. And finally their submarine is destroyed by a white blood cell they are after all foreign bodies to the natural defense system. Of course in the end the .