I would not consider any heart rate calculation to be accurate enough for setting your own personal zones or exercise targets. How can the formula be so wrong? The “220 minus age” formula was ...

For moderate to vigorous exercise, your target heart rate should be between 50% and 85% of your maximum heart rate. To find your max heart rate, subtract your age from 220. Keeping track of your ...

So why does so much fitness tech check your pulse? Because your resting heart rate can say a significant amount about your health, including when it might be time to seek immediate medical care. What ...