Exercise.Nutr.07w - Midterm Exam o Thursday, March 15,...

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    Midterm Exam Thursday, March 15, 12:20 50 minutes (please be on time) Midterm make-up Tuesday, March 13, 7:30 p.m.  204 Stocking Hall Email Cindy Wright:  clw3@cornell.edu Sample midterm posted on Bb under Course  Information
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    Physical Fitness “The ability to perform moderate to  vigorous levels of physical activity without  undue fatigue and the capability of  maintaining this level of activity throughout  life”. American College of Sports Medicine
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    Energy Systems ATP-CP energy system Lactic acid energy system Oxygen (aerobic) energy system
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    ATP-CP System ATP (adenosine triphosphate)  A high energy molecule that fuels muscle contraction ATP        ADP  + P  + work Reserve lasts for only seconds CP (creatine phosphate) CP + ADP  C + ATP Reserve lasts up to 15 seconds Anaerobic
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    Lactic Acid System Anaerobic Produces ATP from glucose Glycogen    Glucose Glucose     Pyruvate + 2 ATP Lactic acid builds up, making cells acidic Lasts for up to 2 minutes of intense exercise Lactic Acid
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    Oxygen Energy System Aerobic Generates large quantities of ATP but at much  slower rates Predominate energy supplier in endurance events VO 2  max: maximum amount of O 2  that a person  can use at peak exercise intensity A measure of aerobic fitness
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Exercise.Nutr.07w - Midterm Exam o Thursday, March 15,...

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