Heart rate zones. What are they? Do they actually matter? And most importantly, how do you find out what yours are?!

You've probably heard of heart rate zones and how important they are for effective training, but what are they and how are do you use them?

As an athlete, you are always looking for ways to improve your performance. One area that you can focus on is your heart rate.

Most of us know that our heart rate goes up when we exercise. But did you know that heart rate can also be used as a tool to help improve...