Think about your back. It's a complex and powerful structure, vital for almost any movement you make, from lifting a grocery bag to sitting upright at your computer. Training it properly isn't just ...

It’s quite disc-ouraging, really. Most Americans will experience back pain at some point — and many times it’s not a result of injury or illness. Seemingly simple, everyday tasks can cause or ...

Lower back pain is a common ailment affecting many Americans, often exacerbated by improper lifting techniques. Excess weight, especially in the midsection, increases strain on lower back muscles, ...

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 ...

After sitting most of the day at a desk, where I may or may not have the best posture, my chest and upper back are tight and achy. Maybe you can relate? Luckily, that's where upper-body stretches come ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...