Heart rate zones are a way to describe how hard you're working during a cardio workout, like running or cycling. The faster ...

Everyone knows exercise is good for your health. But how do you know if you're getting the most out of your workout? An easy way to find out is by knowing your target heart rate. A normal resting ...

usually around or below 85% max heart rate. Submaximal exercise tests are still a useful way to measure your VO₂ max levels and your overall levels of heart and lung endurance during exercise.