For lower back and glute strength, master the art of hip hyperextensions—here’s how. Undrey/Getty Images Hip hyperextension exercises are an important, if often tricky, workout move that involve ...

With so much focus on the upper body and core, it's easy to forget to tone your back muscles. After all, you want to look ...

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. It’s easy to almost ...

A broad, well-defined back is a cornerstone of any well-rounded physique. But that’s not the only reason to pump up your posterior—it’s also a critical way of improving posture, reducing back pain, ...

Most of you know that training your upper body provides endless benefits, from improving your posture to increasing your metabolism. You might think of individually working your arms, shoulders, chest ...

Slouching spine? Pre-posture-ous! Our spines are the scaffolding for the body, and unfortunately, proper posture has become a common casualty of our increasingly sedentary culture. The immediate ...