Heart rate zone training has become more popular in recent years partly because of the boom in wearable technology which, among other functions, allows people to easily track their heart rates.
Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for your workouts. It’s one of five heart rate training zones ...
In this era of fitness trackers, we have easy access to our heart rate at any given moment. Every so often, a number catches your eye as it flashes on your Garmin or Apple Watch while you're sitting ...