If you're even a semi-serious exerciser, you've probably read or heard that it's a good idea to know your resting and maximum heart rates and to track your heart rate during workouts…
But experts tell WebMD that much of the conventional wisdom about heart rate and exercise is wrong… there's no pressing need to know your heart rate. "The majority of people simply don't need to monitor their heart rate," Gerald Fletcher, MD, professor of medicine at the Mayo Clinic in Jacksonville, Fla., tells WebMD.
WebMD, by David Freeman, 12/2009
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Tags: Cardiology, heart rate