Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. High intensity ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise ...

When it comes to weight loss, figuring out which workout delivers the best results can feel overwhelming. Between HIIT, strength training, cardio, and Pilates, there’s no shortage of advice out there ...

Add Yahoo as a preferred source to see more of our stories on Google. If you had to pick the better runner — a sprinter or a marathoner — the answer would depend on the type of race. In a 200-meter ...

Add Yahoo as a preferred source to see more of our stories on Google. High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a ...

What seems counterproductive might be worth reconsidering for overall health and longevity.

Here's who it might help and harm, and how to tell if you're overdoing it.

After years of doing cardio and HIIT classes, I'm trying to incorporate more strength training into my fitness regime as I want to build some muscle (and have next to none). My question is: If I carry ...

My name is Tanisha Washington (@nishafitness), and I'm 28 years old. I am a NASM-certified personal trainer and fitness business owner (Better Body By NISHA) in Austin, Texas. After struggling with my ...