If you're a lifelong powerlifter or bodybuilder, there's a good chance you're more concerned about growing your glutes, carving your core, or building your biceps than boosting your VO2 max. But for ...

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 ...

Heart rate reserve (HRR) is the difference between your resting heart rate and your maximum heart rate. Knowing this number can help you train and work on your fitness goals. Your heart rate reserve ...

Heart rate recovery (HRR) is the capacity for the heart to return to its natural rate after elevation. It generally measures how quickly the heart rate decreases after exercise. Someone’s heart rate ...

Smartwatches have beefed up their heart health features in recent years Smartwatches have beefed up their heart health features in recent years is a senior reporter and author of the Optimizer ...

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 ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...