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Exercise.Nutr.09w - Midterm Exam Thursday:20 Midterm...

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Midterm Exam Thursday, March 12, 12:20 Call Auditorium 50 minutes (please be on time) Midterm make-up Tuesday, March 10, 7:30 p.m. 204 Stocking Hall Email Cindy Wright: [email protected] Covers all lectures & readings through March 10 Sample midterm & study guide posted on Bb under Course Information
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Food (TG+C) FFA + MG + C Bile Duct HMG-CoA C BA TG HMG CoA Reductase VLDL LDL TG HDL C C Chylomicrons TG+C Chylomicron Remnants TG Hepatocyte Remnant Receptor SR-B1 Receptor LDL Receptor LDL Receptor Steroids Cell Membrane Peripheral cell Oxidized LDL Atherosclerotic plaques Adipocyte Oxidation Adipocyte C = Cholesterol TG = Triglyceride MG = Monoglyceride FFA = Free fatty acid BA = Bile acid BA + C G.I. Tract Cholesterol Metabolism in the Body
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“It is noteworthy that, irrespective of BMI, exercise reduces risk of death from heart disease.” Hambrecht & Gielen. Lancet. 2005:366:560-561 “Findings of epidemiological studies suggest that almost a third of cases of coronary heart disease and stroke could be prevented by 2-5 hours of brisk walking per week.”
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Brown JE. 2008. Page 27-3
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How much exercise do we need? 30 min/day to reduce risk of chronic disease 60 min/day to prevent gradual weight gain 60-90 min/day to sustain weight loss 2005 Dietary Guidelines for Americans http://www.health.gov/dietaryguidelines/dga2005/document/default.htm
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Suggestion To insure consistent, regular exercise, walk or bike to class or work
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Physical Fitness “The health of the body as measured by muscular strength, endurance, and flexibility in the conduct of physical activity.” Brown JE. 2008. page 27-4
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Energy Pathways ATP-CP energy pathway Anaerobic glycolytic pathway Aerobic energy pathway
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ATP-CP System (Phosphagen system) ATP (adenosine triphosphate) A high energy molecule that fuels muscle contraction ATP ADP + P + work Reserve lasts for only seconds CP (creatine phosphate or phosphocreatine) CP + ADP C + ATP Reserve lasts up to 15 seconds Anaerobic Weight lifting and fast break in basketball
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