VO2 and VO2max

Question 1

VO2 (oxygen consumption)

Answer 1

measure of the volume of oxygen that is used by your body to convert the energy from food to ATP

Question 2

VO2max

Answer 2

measure of the maximum volume of oxygen that an athlete can use

Question 3

Factors impacting VO2max (5)

Answer 3

genetics
age
training status
gender
body comp.

Question 4

Discussion of VO2 and VO2max

Answer 4

• they do not inhale and expire the same amount of air
• have more oxygen deficit in the beginning of exercise because it’s more difficult to reach steady state
• low VO2max level is most likely cardiac patient, high level is most likely athlete

Question 5

Fuel usage at rest and during the rest-to-exercise transition

Answer 5

1. ATP production increases immediately (ATP-PCr)
2. O2 uptake increases rapidly (steady state is reached within 1-4 minutes)
3. Delay in O2 uptake at beginning of exercise (O2 deficit)
4. Once SS reached, ATP is met through aerobic ATP production (oxidation, fat metabolism)