So you want to test or prescribe exercise at 80% of HRmax: this is what is wrong with this approach
So you want to test or prescribe exercise at 80% of HRmax:
this is what is (often) wrong with this approach and why %HRR is better
So you want to test or prescribe exercise at 80% of HRmax:
this is what is (often) wrong with this approach and why %HRR is better