What is THE ZONE?
When you exercise there is a special place where your heart rate & respiration are at an optimal level to maximally benefit your cardiovascular health. You've reached THE ZONE!
But how do you know when you've reached THE ZONE?
This website has the answer!
When you exercise there is a special place where your heart rate & respiration are at an optimal level to maximally benefit your cardiovascular health. You've reached THE ZONE!
But how do you know when you've reached THE ZONE?
This website has the answer!