When you work out muscle group A on one day, and muscle group B on another day, does muscle group A benefit from the second workout? I don't mean overlap (e.g., working nearby muscle groups). ...
A few years ago when training for a duathlon at school (swim, run) we had to train with heart rate monitors on to test what we could run at and how quickly we could drop it back down to a resting ...
First, How is recovery heart rate defined and measured? Second, What are good to poor values for comparison?