You might know your weight, your step count, or even how much you can lift at the gym. But do you know how fit your heart and lungs really are? Cardio fitness, or the cardiovascular endurance, ...

Losing weight and getting in shape are popular New Year's resolutions -- but before you join a gym with the masses, it may help to determine your current fitness level with a walk test. kmlPhoto - ...

"No intervals, no intensity, just consistency at a conversational pace," says Smart Fit Method co-founder Connor Darnbrough ...

Few exercises have a reputation as feared as the burpee. The combination of squat, plank position, explosive extension, and ...

Runners take off at the start of the Yokohama North Dock Running Festival, held Nov. 4 on the installation at U.S. Army Garrison-Japan. The event, which returned to the installation for the first time ...

For decades, gym culture has been divided by a strict ideological wall. On one side stood the lifters, convinced that running ...

Your daily walk might already count as zone 2 cardio, the same training method used by Tour de France champions. Here's how it works.

Strength training after the age of 50 gets a lot of love these days—for good reason. But aerobic (or cardio) exercise—continuous physical activity that increases your heart rate and breathing rate so ...