BB H 130 Lecture Notes - Lecture 4: Basal Metabolic Rate
Document Summary
Bmi: conversions: (weight)/(height)2 = kg/m2 = bmi, 1ft = 0. 3m, 1lb = 0. 45kg, pros, easy to do, accepted. Inexpensive: often used with waist circumference, useful indicator of the overall fitness for large groups, cons, not an actual measure of fat, one standard for all adults, less valuable for individual. Percent body fat may differ: gender, women should have more fat, age, older, percent body fat should decrease, fitness level, muscularity, ethnicity. Energy: 1 calorie = amount of heat energy needed to raise one liter of water by one degrees celsius, 1kcal, comes from breaking chemical bonds in food, protein, carbohydrates, fats, energy providing nutrients. How much energy does a person need: example, bella is 65kg (~145lb); moderately active. How the body uses energy: components of energy expenditure: basal metabolic rate majority (staying alive, physical activity, thermic effect of food, growth.
