132 Discussion #5-Answers key 10.18.11

132 Discussion #5-Answers key 10.18.11 - 1 NS 132...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 NS 132 Discussion 5 – Answers Key I. Energy balance Energy balance: Energy Intake (EI) = Energy Expenditure (EE) Basal metabolism : energy expenditure thru involuntary activity only Total Energy Expenditure (TEE) = Resting Energy Expenditure (REE) + Physical Activity (PA) + Thermic effect of food (TEF) REE : the day’s total energy expenditure through basal metabolism only PA : energy expenditure through voluntary physical effort TEF : energy expended in digesting food Activity level* TEE (kcals) % from BMR % from PA % from TEF 1. Sedentary 2. Moderate active 3. Very active 4. Athletes 1200-1300 80 10 10 1500-2000 60 30 10 2500-3500 50 40 10 4000+ 35-40 ≥ 50 10 * typical TEE for adult female II. Obesity – contributes significantly to heart disease, type II diabetes, hypertension, cancer, stroke, and arthritis. Body mass index (BMI) is used to assess obesity = weight (kg) / height^2 (m) Obesity categories based on BMI BMI (kg/m^2) Obesity class Disease risk* 1. Underweight 2. Normal 3. Overweight 4. Obesity 5. Extreme obesity < 18.5 --- --- 18.5 – 24.9 --- --- 25.0 – 29.9 --- Increased 30.0-34.9 35.0-39.9 I II High Very high 40.0+ III Extremely high *Type II diabetes, hypertension, and cardiovascular disease Body composition = lean tissue mass + fat mass Desirable range: o Men: 10-20% fat o Women : 18-25% fat
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

132 Discussion #5-Answers key 10.18.11 - 1 NS 132...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online