"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you are an athlete in training or simply keeping tabs on your vitals, measuring your heart rate is a ...

Tracking your heart rate with a heart rate monitor (HRM) during your runs is one of the most powerful ways to optimize your training, whether you're a dedicated marathoner, power triathlete, or just ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Heartbeat monitors have been around for decades. Polar introduced the first wireless wearable ...

Jennifer Adamy, a 43-year-old cardiac nurse living in New Smyrna Beach, Florida, was very familiar with the signs of heart problems. So, when she started experiencing symptoms of irregular heart ...