But guess what? We've got some good news! There's a movement that's the perfect antidote: the so-called "back extensions." Don't picture a reverse push-up (that would be more like a bridge), but ...

Back exercises aren’t just for bodybuilders or powerlifters—they’re a must for anyone who wants to improve their overall strength, stability, and posture. Back extensions are versatile enough to be ...

View post: I Was Crushing My Evening Workouts but Sabotaging My Sleep. Here's How I Fixed My Internal Clock “As a fitness culture, and in society in general, we’re afraid of spinal flexion,” where the ...

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 ...