Chapter 16 Nutrition

Question 1

Resting Metabolic Rate (RMR)

Answer 1

Th e amount of energy expended while at rest; represents the minimal amount of energy required to sustain vital bodily functions such as blood circulation, respiration, and temperature regulation. RMR typically accounts for 70% of TEE

Question 2

Thermic Effect Of Food (TEF)

Answer 2

Th e amount of energy expended above RMR as a result of the processing of food (digestion) for storage and use. TEF typically accounts for approximately 6–10% of TEE.

Question 3

Energy Expended During Physical Activity

Answer 3

Th e amount of energy expended above RMR and TEF associated with physical activity. Physical activity accounts for approximately 20% of TEE.

Question 4

Estimated total energy expenditure (TEE)

Answer 4

Also referred to as total daily energy expenditure (TDEE), is defined as the amount of energy (calories) spent, on average, in a typical day. TEE is actually the sum total of three different energy components: Resting Metabolic Rate, Thermic Effect Of Food, and Energy Expended During Physical Activity.

Question 5

TEE Calculation

Answer 5

*Step 1. Weight (lbs) X 10 = RMR *Step 2. RMR X activity factor (see Table 17. 3 ) = TEE Example: Heavily active 180-pound man ■ Step 1. 180 (lb) X 10 = 1,800 RMR ■ Step 2. 1,800 (RMR) X 2.1 (activity factor) = 3,780 calories expended per day (TEE)

Question 6

Factors Affecting Protein Requirements

Answer 6

Exercise Physical Activity Level Caloric Intake Body Comp Goals Sports Performance Goals

Question 7

Recommended Protein Intakes

Answer 7

Activity Level Grams of Protein per kg Body Weight per Day Sedentary (adult) 0.8 (0.4 g/lb) Strength athletes 1.2–1.7 (0.5–0.8 g/lb) Endurance athletes 1.2–1.4 (0.5–0.6 g/lb)