Gas analysis

Question 1

What does RQ mean? What do certain values indicate?

Answer 1

RQ = Respiratory Quotient
- This number illustrates how much fat and carbs are being burned as a source of fuel

RQ near 1 = Carbohydrates main source
RQ near 0.7 = Fats main source
RQ 0.8-0.85 = Mixture of both

Question 2

What would the RQ be at rest VS in exercise?

Answer 2

A typical resting RQ = 0.7 (fats main source)

A typical exercising RQ = 1 (carbs main source)

Question 3

How much energy is approx used per litre of oxygen?

Answer 3

21 kj OR 5 kcal