Most of the Garmin watches come with a wrist based heart rate sensor that can give you additional perspective in your training. In the standard settings, Garmin uses a basic calculation method to determine your heart rate zones. These zones can help you see how hard you are training, but if these zones are incorrect it can also be very confusing. An unproductive training status after a great training session or a three day recovery time when you don’t feel you pushed it that hard. Why is that?
This article explains the importance of setting the heart rate zones and how some of Garmin’s advanced features are connected to each other.