NHM 101 Notes- Week 7
NHM 101 Notes- Week 7 NHM 101
Popular in Intro Human Nutrition
Popular in Environmental Science
This 3 page Class Notes was uploaded by Alexia Acebo on Sunday October 11, 2015. The Class Notes belongs to NHM 101 at University of Alabama - Tuscaloosa taught by Libo Tan in Summer 2015. Since its upload, it has received 22 views. For similar materials see Intro Human Nutrition in Environmental Science at University of Alabama - Tuscaloosa.
Reviews for NHM 101 Notes- Week 7
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 10/11/15
Nutrition Notes Week 7 Metabolism sum of total reactions in body chemical Anabolism building up of body compounds require energy Catabolism break down of body compounds release energy Metabolism Requires Enzymes and coenzymes Coenzymes assist enzymes 0 B vitamins energy metabolism of glucose fatty acids amino acids Breakdown Carb glucose Proteins amino acids Fats glycerol and fatty acids Anaerobic Oxidation of Glucose Under anaerobic conditions highly active muscles pyruvate lactate Much less ATP than aerobic exercise Major source of energy for intense exercise Ketogenesis during prolonged starvation activity of TCA cycle decreases Most acetyl CoA produced from fatty acid oxidation is converted to ketone bodies Energy Balance Intake calories from food Output calories used to maintain body function physical activity Energy Intake Sci 9 calories determined by bomb calorimeter We use dietary analysis apps Energy Expenditure Total energy expenditure 1 Energy for basal metabolism a Life sustaining activities b BMR rate at which body expends energy for these activities 2 Energy for physical activity a Most variable 3 Thermic effect of food a Estimation of energy required to process food Estimating Energy Expenditure directly age weight height physical activity indirectly derives resting from C02 production and 02 consumption fasting starvation lowers BMR to save tissues Healthy Body Weight BMI Body Mass Index measure of weight divided by height BMI under 185 underweight BMI 18525 healthy weight BMI 30 obese More than 23 of American adults have a BMI above 25 Body Composition proportion of muschle bone fat other tissues body weight women 1522 fat men 716 fat both increase with age Body Fat Distribution visceral fat stored around organs of abdomen 0 central obesity upper body fat chronic disease more common in men subcutaneous fat hips thighs o more common in men Waist Circumfrence Women over 35 inches greater risk of chronic disease Men over 40 inches Assessing Body Fat skinfold measures DEXA Health Risks Underweight o Osteoperosis 0 Bone fractures o Menstrual irregulation o Infertility Overweight Diabetes Hypertension CVD Cancer Infertility Pregnancy complications OOOOOO
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'