VO2 max

Question 1

vo2 max equation

Answer 1

HR x SV x (avo2diff)

Question 2

what limits vo2 max

Answer 2

having a good cardio vascular system and high cardiac output
well developed oxidative capacity in skeletal muscles

Question 3

limiting factor of vo2 max

Answer 3

stroke volume

Question 4

acute exercise and vo2 max

Answer 4

isolated muscle can use more o2 than the heart can deliver eg max one leg vs 2 leg exercise (2-3x higher in one leg)

Question 5

training with manipulated blood volume and vo2

Answer 5

reduced blood volume through phlebotomy after training reduces cardiac output and vo2 max to pre training levels

Question 6

absolue vo2 max score

Answer 6

2.5 L/min

2.5/50kg = 50mL/kg/min

Question 7

how does vo2 max change over years

Answer 7

after 25yrs old, 1% decrease a year
ageing causes more rapid decline

Question 8

heredity

Answer 8

genetic account for 25-50% of variance

Question 9

vo2 test

Answer 9

exhaustion between 8-12 mins
too short = due to peripheral limitations
too long = due to duration
use large muscle groups

Question 10

plateau in vo2 despite increase load

Answer 10

found in only 40-50% of people

Question 11

criteria for vo2 max test

Answer 11

hr within 90% max
blood lactate over 8mmol (anaerobic metabolism)
RER 1.15 or above
RPE above 19