Fitness gadgets and apps (and, in the olden days, books and other sources of fitness advice), meanwhile, try to skip that step by using a formula that estimates your maximum heart rate based on ...

There are a couple ways to calculate your zone 2 heart rate by age. The most common formula for estimating your maximum heart ...

Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity ...

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 ...