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11-17-08 Cardio-respiratory Exercise

11-17-08 Cardio-respiratory Exercise - Cardio-respiratory...

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11-17-08 Cardio-respiratory Exercise After completing this presentation you will be able to: Define cardio-respiratory exercise Understand the benefits of cardio-respiratory training Assess and measure your cardio-respiratory fitness level Understand/interpret guidelines for cardio-respiratory exercise Design and implement your own cardio-respiratory training program Cardio-respiratory endurance is the most important component of physical fitness and best indicator of overall health for young adults. Cardio-respiratory endurance is necessary to sustain the energy requirements of a normal life. Effective cardio-respiratory endurance levels also help maintain recommended body weight. Cardio-respiratory exercise = exercise that involves and places a stress on the cardio-respiratory system Cardiovascular system + Respiratory system = Cardio-respiratory system “The ability of the lungs, heart, and blood vessels to deliver adequate amounts of oxygen to the cells to meet the demands of physical activity.” CARDIOVASCULAR SYSTEM Heart Stroke volume—the amount of blood pumped out with each contraction Heart rate—measured over a period of time, generally a minute; average resting heart rate for a young adult is 60-80 beats per minute Cardiac output—stroke volume x heart rate Blood Transportation of oxygen, nutrients, and hormones (anabolic) in response to exercise; takes waste products from the tissues (lactic acid); transports heat Regulation of body temperature; acid levels in blood Protection—ability of the blood to clot; contains immune cells that fight off diseases and sickness
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Blood vessels—transportation of blood RESPIRATORY SYSTEM Respiratory pump—breathing (inhalation and exhalation; involves the lungs, diaphragm, ribs, etc.) Respiratory passageways—funnel air into and out of the lungs for proper usage Types of Cardio-respiratory Exercise: Aerobic vs. Anaerobic
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