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 ...

If you work out, you will have at some point wondered about whether you should start with weights or cardio. Whether you're already deep into your fitness journey or just getting started, you've ...

Cardio (also called cardiovascular exercise or aerobic exercise) is an important part of staying physically fit. During cardio, your heart beats faster, pumping oxygenated blood throughout the body.

Cardiovascular, or cardio, exercises are any exercises that increase a person’s heart rate. Some of the best cardio exercises include running, swimming, and cycling. Cardio exercises can be beneficial ...