Monitoring your body provides valuable information on your adaptation to training, your risk of injury or illness, and your readiness for the next hard training session. The right data can help ...

Heart rate variability, or HRV, is quickly becoming one of the most important metrics in modern fitness, and for good reason. Unlike heart rate, which tells you how fast your heart is beating, HRV ...

"These runners showed what it looks like to prepare the nervous system the same way you'd prepare your muscles." ...

Wearables have been one of the hottest trends in fitness for years. Top brands like WHOOP, Oura, and Garmin promise smarter training and better readiness, but all that data can be overwhelming if you ...

You probably check your step count religiously, maybe glance at your heart rate during workouts, and might even pay attention to how many calories your fitness tracker claims you’ve burned. But ...

My Garmin has turned me into an addict. I have become hooked on alcohol-free beer. It all began a few months ago when I was flicking through data on my new watch after a long weekend of late nights ...

A few years ago, most people had never heard of HRV. Today, millions of people check it every morning through smartwatches, recovery apps, rings, and fitness wearables. People use HRV to better ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...