Tagged: cardiac stress test

How do I determine my maximum heart rate and how to breathe

The conventional wisdom, used by even the fanciest cardio machines, is that maximum heart rate is 220 minus your age. It’s simple, easy to calculate, and—more often than not—wrong. “It turns out there’s not much scientific evidence for that formula,” says Hirofumi Tanaka, head of the University of Texas’s Cardiovascular Aging Research Laboratory.