Exam 2 Questions to Ponder 

Exam 2 Questions to Ponder 

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cessation programs on, anxiety and mental stress of well-being and self-image control and increases energy expenditure atterns e and agility t fleet ep apnea and problems me cancers h accident rate ct shed without peer review that ignore differences among individuals or groups ds of inactivity mester or stand motionless for long time periods discomfort rm the abdomen or involve jerky, bouncy movements Questions to Ponder Exam #2 Nutrition and Physical Performance 1. What are the benefits of exercise? Cardiovascular function Blood pressure HDL cholesterol, LDL cholesterol, and triglycerides in blood Colon and breast cancer Energy balance Immune system function Lean tissue and fat loss Muscle mass and tone Glucose uptake by muscle tissue Bones 2. What is adenosine triphosphate? ATP: energy sources that is used all the time 3. What is the difference between anaerobic and aerobic energy production? Anaerobic - (without oxygen)- brief high intensity activities lasting 30 sec – 2 min (ex. Sprint) lactic acid Aerobic- (with oxygen)- high intensity activities lasting 2 min- 5 hours (ex basketball) 4. What macronutrients are used for energy during exercise of long duration? Fat- used in prolonged low intensity activities (running long distance) (aerobic) - Exercise can tone muscles underlying adipose tissue but doesn’t preferentially use those stores - (You can’t pick where you loose fat your body chooses) -The more trained a muscle, the greater its ability to use fat as fuel 5. What is VO2 max? Def: oxygen consumption measured immediately before total exhaustion Oxygen consumption indicates how hard a person is exercising, fit people can do more work and consume more oxygen VO2max can be improved by exercise training (15-20%) o Sedentary elderly 15ml 02/kg/min o Typical middle aged adult 35-45 ml o2/kg/min o Elite Athlete 65-75 ml O2/kg/min 6. What are the dangers of weight loss by dehydration? Why would someone engage in this? activity? Dangers can lead to decreased endurance, kidney malfunction, and heart-related illness How? Sauna, exercising in plastic sweat suit, diuretic drugs Why? To loose weight quickly, wrestlers 7. How much carbohydrate should an athlete consume in his/her diet? Athlete: 60% or more of total energy from carbohydrates - Sports drinks help for hydration and glucose replacement, fiber helps prevent bloating 8. What is carbohydrate loading? When is this activity appropriate? Def eating a lot of carbs so they can be used, Advantage maximizes muscle glycogen stores for intense aerobic events lasting more than an hour. Disadvantage
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This note was uploaded on 05/09/2010 for the course NFSC 100 taught by Professor Jackson during the Spring '09 term at Maryland.

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Exam 2 Questions to Ponder 

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