Use that number and take 60% to 90% and your target heart rate zone is that number. Let’s use the 58-year-old again with a resting heart rate of 50 BPM — 220-58=162-50=112 Sixty percent is 67.2.

Scientifically the target heart rate zone is expressed as a percentage of your maximum heart rate. It is usually between 75% and 85% of maximum heart rate depending on your goals and the level of ...

If you plan to engage in moderate-intensity physical activity, the Centers for Disease Control (CDC) recommends that your target heart rate should be between 64% and 76% of your maximum heart rate.

Understanding our body's target heart rate zones and how they change as we age is crucial for getting the most out of our workouts. If your goal is to burn fat, for example, you'll want to stay in ...