Lecture 3

Question 1

How did substrate oxidation (%) differ pre and post 4 week endurance training?

Answer 1

% lipid oxidation increased, carb and protein decreased

Question 2

Daily protein intake, with adjustment during calorie restriction

Answer 2

1.2-2.0g/kg, increase during calorie restriction by around 0.6g/kg

Question 3

Behnke model

Answer 3

Two component model:
1. Fat mass (only nonessential fat)
2. Lean body (includes essential fat)

Question 4

Brozek/Siri model

Answer 4

1. Fat mass (includes essential fat)
2. Fat free mass

Question 5

Chemical model

Answer 5

1. Fat/protein/carbs
2. Water
3. Minerals (Na, K, Ca, etc.)
4. Metals (Fe, Hb, etc.)

Question 6

Anatomical model

Answer 6

-Muscle
-Organs
-Bone
-Connective tissue
-Nervous tissue

Question 7

Essential vs non-essential fat storage

Answer 7

Essential fat:
Heart, kidneys, CNS, intestines, etc.
Non-essential fat:
Adipose tissue
-Subcutaneous (beneath skin)
-Visceral (deep, between organs)

Question 8

kcal/L O2 for fat vs carbs

Answer 8

Carbs: 5.05kcal/L
Fat: 4.69kcal/L