Experts who spoke to GQ broke down the mechanisms behind this type of training and why pretty much any guy stands to benefit ...

“The VO2 max value is the most important independent predictor of remaining life expectancy,” says Barbara Prüller-Strasser, ...

From 5K time to heartrate recovery, personal trainers share the different ways we can see how we measure up for our age group ...

Keep pushing! Now the test really starts,” he yells. “Now the motivation has to come!” We pedal harder, inhale lungfuls of ...

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

Recent studies show testosterone replacement therapy may increase heart disease risk in men. Learn about natural alternatives ...

These evaluations measure how efficiently the body converts nutrients into energy, assessing mitochondrial function, insulin ...

Aim In the clinical setting of acute myocarditis, existing guidelines recommend refraining from moderate-intensity to ...

Discover the 5 biggest endurance training mistakes men make and learn expert-backed solutions to improve your performance, according to a fitness coach.

Jon Lewis, England Women's head coach, has issued a robust defence of his team's fitness levels, after they slumped to their ...

Don’t be discouraged if you feel like you haven’t noticed the results you were after immediately. There are lots of changes happening behind the scenes that are worth celebrating. Just know, exactly ...

The impact makes us cringe-the sound of two helmets making contact during a football game, a player down on the field.