Fitness trackers and smartwatches can make it easier to stay in your heart rate training zones. (Getty Creative) ...

Forget the guesswork — fitness just got easier to master. As fitness trackers grow in popularity alongside workouts that use the devices like Orangetheory Fitness and Peloton's Power Zone program, you ...

Garmin has issued its latest public beta The update includes strength and body battery improvements for Garmin users It also ...

Some of the watch zones are set so low that I have no idea what they could possibly be measuring. So today, let’s look at one simple way to calculate your heart rate zones to help you calibrate ...

target heart rate zones during activity and red flags to consider, plus causes of an elevated heart rate and tips for lowering it. An individual’s resting heart rate is the number of times their ...

But what is zone 2 cardio, exactly? How can you make sure you're doing it right? And is it really so bad if your heart rate drifts into zone 3? What is zone 2 training? Zone 2 training is cardio ...

Your "heart rate zones" might be completely wrong. Not only are zones defined differently in different apps, they are also usually calculated based on your maximum heart rate. And that maximum ...

Experts who spoke to GQ broke down the mechanisms behind this type of training and why pretty much any guy stands to benefit ...