Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones.

Add Yahoo as a preferred source to see more of our stories on Google. Zone 2 cardio rate training means working in one of five heart rate zones at 60-70% of your max heart rate. "Zone 2 is where the ...

Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

To train smarter, you need to understand your ticker ...

Any form of cardio, like running, raises your heart rate. But how high is too high? If you look at your heart rate monitor and notice your bpm (beats per minute) has climbed to, say, 170, you should ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running, I always tried to aim to run at a fast pace, which constantly made me feel ...

Exercising can be a difficult task or an enjoyable hobby. However you look at it, you’ll want to make sure you’re getting the most out of your workouts. Exercising at the right intensity will make ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Heart rate zones are a ...

The target heart rate is how fast the heart should beat during physical activity. Calculating the target heart rate and comparing it with the actual heart rate can help a person work out if their ...