High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

A new study in Medicine & Science in Sports & Exercise finds that a 7 out of 10 effort level is optimal for VO2 max improvements and overall fitness.

It's quality over quantity: You'll be surprised how little time some pros are spending on the bike and going faster with low volume training.

We tried the workout, and this is what makes it so effective ...

Increasing physical fitness leads to a larger release of BDNF and better prefrontal cortex activity after a single session of exercise.

Short, simple routines done consistently deliver far better results than complex programs,” says trainer Heath Jones ...

We all sit somewhere on a spectrum between speed and endurance. Some athletes thrive on long, steady miles, while others ...

These brief, intense workouts can strengthen your heart and boost longevity.

A higher number will make exercise feel easier at a given intensity level.

TULSA, Okla. — A Tulsa hospital says improving cardiovascular fitness can lead to a longer life. Dr. Richard Kacere is a cardiologist with Ascension St John. He explains they use the VO2 Max test to ...