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

is 60–85 percent of the maximum, so 111–157 bpm. Or, if you don't feel like making arithmetic part of your workout, just check out this chart from the American Heart Association. A heart rate ...

These tests may be called “ submaximal ” because they are performed below maximum heart rate and exhaustion level, usually around or below 85% max heart rate. Submaximal exercise tests are ...