Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate. Not only can you get better accuracy by wearing a chest strap heart ...

Indicates whether the model employs a chest strap mounted sensor that transmitts to a watch, a chest strap mounted sensor that transmits to an iPhone app, a watch that requires the user to touch ...

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When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is ...

Tracking your fitness metrics during workouts is a great way to keep you motivated and accountable regarding your physical ...

The Grammy award-winning producer and musician took to Instagram on Wednesday, April 2, to share the aftermath of the ...

Twenty-first century fitness enthusiasts no longer have to suffer the discomfort of chest strap heart rate monitors. The Scosche Rhythm+ armband collects your heart rate data and works with ANT+ ...

The Polar H9 costs less than other HRMs that pack more features, but it still covers all the basics. It's comfortable, waterproof, and washable, and you can pair it with a phone, a running watch ...

Want more tried and tested recommendations from the RW editors? Sign up to our new weekly newsletter Kit Bag. Click here to subscribe. Training smart means mixing up the intensity of your runs ...