Module%204%20(Lec%201)%20-%20Guidelines%20for%20Improving%20Cardiorespiratory%20Fitness[1]

Module%204%20(Lec%201)%20-%20Guidelines%20for%20Improving%20Cardiorespiratory%20Fitness[1]

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Guidelines for Improving Guidelines for Improving Cardiorespiratory Fitness Cardiorespiratory Fitness Bio 154 Bio 154 Chap 2,9 Chap 2,9
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What are the benefits of achieving What are the benefits of achieving optimal cardiorespiratory fitness? optimal cardiorespiratory fitness? Reduction in heart disease risk factors Decreased mortality (death rates) and morbidity (chronic disease rates) Improved ability to perform daily activities Improved psychological functioning Improved sleep quality
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Biological Energy Cycle Biological Energy Cycle
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Where does energy to perform Where does energy to perform exercise come from? exercise come from? Adenosine triphosphate (ATP) – high-energy compound that is synthesized and stored in small quantities in muscle and other cells Break down of ATP yields energy for muscular contraction Immediate source of energy
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Energy systems that produce ATP Energy systems that produce ATP Anaerobic – “without oxygen” – biochemical pathways in cells that do not require oxygen to quickly produce small amounts of ATP Aerobic – “with oxygen” – biochemical pathways in the cell that use oxygen to produce large amounts of ATP
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Anaerobic ATP production Anaerobic ATP production Breakdown of glucose or glycogen (sugar) in the cell to produce small amounts of ATP
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This note was uploaded on 04/12/2011 for the course BIO 154 taught by Professor Wilson during the Spring '11 term at N. Arizona.

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Module%204%20(Lec%201)%20-%20Guidelines%20for%20Improving%20Cardiorespiratory%20Fitness[1]

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