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 ...

The study, which was conducted by researchers at Columbia University’s Vagelos College of Physicians and Surgeons, found that avoiding a sedentary lifestyle is the best way to fight off a second heart ...

Once you understand the running heart rate zones, you can monitor your physical activity for level of intensity. Moderate activity. To consider a run moderate activity, your target heart rate ...