Question about heart rate during training (beginner)
Just for a little info about me, I'm 26, my BMI is at the low end of "obese" for my height 5"4, female. In generally good health, but a relative beginner with fitness and exercise, ex-smoker. I've previously had some tachycardia (my resting heart rate was generally between 100-120 towards the end of my pregnancy) and high…