Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

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: ...

Whether you're a frequent gymgoer, enjoy exercising at home, or focus on cardio out in the fresh air, you most likely know about the divide you may find between individuals seeking specific results.

If you’re looking to get all of the benefits of a heart-pumping exercise without added stress on joints, consider incorporating low-impact cardio into your routine. “The benefits of low-impact cardio ...