Heart rate zones are a way to describe how hard you're working during a cardio workout, like running or cycling. The faster your heart beats, the harder you're working. So an easy jog might have ...

Heart rate zones are how we categorize this effect ... "Everyone's baseline heart rate is different, but having a good ...

Understanding heart rate zones can help. Your resting heart rate is relatively low (about 60 to 100 beats per minute), but ...

This secret to improving your cardiovascular health and endurance: zone 2 heart rate training. Zone 2 cardio rate training means working in one of five heart rate zones at 60-70% of your max heart ...