Procedures which use submaximum exercise heart rates to predict VO2 max.
arebased on a number of assumptions:
1) Steady state heart rate is attained for each workload
2) Subject is not on medication or supplements that can alter heart rate
3) Linear relationship exists between heart rate and VO2 (work rate)
. In the Astrand-Rhyming Test for predicting VO2
max., an age correction factor is