Perfect for all fitness levels — this 20-minute HIIT workout combines power and endurance to sculpt your body fast!

HIIT workout obsessives, have no fear: this trend is in no danger of waning. Over 12k of you Google it monthly, and it's now ...

So much messaging for women around doing sprint or HIIT training suggests a rigid framework where you go a certain number of ...

Runna has sparked curiosity—and criticism. Running isn’t exactly my preferred method of cardio. I was a swimmer all my life, ...

The CDC also suggests combining your cardiovascular activities with two days of weekly strength training, working all major ...

It turns out that doing hot yoga a few times a week and hiking at least once a week won’t make you a decent beginner runner. Month one was plagued by difficult quarter-mile runs and sore legs and ...

Jumping on a treadmill isn't the only exercise that can help you lose weight and gain strength.

Strength training throughout your 60s, 70s, 80s and beyond is completely possible and should be continued in any version you ...

If you’ve ever held a plank, paused at the bottom of a squat or pressed your palms together in front of your chest, you’ve ...

You could say Conner Mantz has been running toward record-breaking finishes ever since he entered elite competition. Just ...

If you're forcing yourself to do something you hate, your body will release stress hormones, says one expert. There’s a ...