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 ...

As exercise gets more intense, heart rate rises to deliver more oxygenated blood to working muscles ...

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 ...

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 ...

If you’ve ever worried about your heart rate during exercise being too high or too low, you’ll want to read this. Your "heart rate zones" might be completely wrong. Not only are zones defined ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device, start your workout, and watch those beats per ...

Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...