No equipment needed ...

Luckily, you don't have to be a pro athlete or an experienced fitness buff to do a HIIT workout. There are plenty of low-impact options for beginners on YouTube, which means they all still torch ...

YOU KNOW YOU need muscle... and you need to burn calories. Everyone needs more strength, too—and we can all use a little more athleticism. But you don’t have hours upon hours upon hours to chase all ...

Our reporters have teamed up with fitness experts to design dozens of routines. Try something new — and build an exercise habit that sticks.

Workout trends come and go, but when it comes to the biggest bang for your buck, high-intensity interval training, or HIIT, has staying power. HIIT’s specific origins are uncertain; some say it dates ...

High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

Cardio is more enjoyable when you can take a run in a beautiful location or take your time riding your bike around. However, that's not always an option. This is why high-intensity interval training ...

High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Every new year comes with big intentions — and the quiet fear that I'll end up doing exactly what I did last year.