Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...

Whether you’ve just recently gotten an Apple Watch or have had one for a while and haven’t used cardio fitness, it’s a valuable measurement to understand and use. Here’s how Apple describes it: ...

Abby Ferguson has been covering tech for five years in both a writing and editing capacity. Her work began with covering all things photography but quickly expanded to fitness and health tech, ...

Photo illustration: Graham Bower/Cult of Mac Apple’s VO 2 max metric measures the performance of your heart and lungs when you push yourself to the limit. Up until now, though, it’s only been useful ...

The Apple Watch’s Cardio Fitness measurement is a more user-friendly term for VO2 max, a universally recognized and established fitness metric that measures how much oxygen your body can transport to ...

Some guys still believe they need to choose between cardio and lifting for reasons that are not immediately apparent. Some of it is bro science. Some of it is cherry-picked real science that supports ...

Other than a solid, mood-boosting sweat session, what do you want from your cardio training efforts? Is it heart health, stamina, endurance, physique, sport performance or something else? Your answer ...