“Strength training is every runner’s secret weapon!” says Lindsey Clayton, senior instructor at Barry’s in New York City and co-founder of the Brave Body Project. “A balanced strength-training routine ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...

No matter your fitness level or the style of workout you're doing, a huge component of a proper training philosophy focuses on the core. The core is the foundation of movement, and without a strong ...

STARTING A WORKOUT program for the first time can be equal parts excitement and confusion. The good news is it’s almost automatic that you’ll immediately begin to gain muscle as a beginner, no matter ...

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. Want to add some ...

The word "eccentric", you’ll know, is most commonly used to describe someone or something unconventional – but in the world of fitness, it means something quite different. Thankfully, eccentric ...

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. While plenty of ...

Calisthenics is a bodyweight-only workout that still strengthens muscles and burns calories. A calisthenics workout may include exercises like squats, push-ups, and pull-ups. Incorporate calisthenics ...