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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Lifting heavy weights is not the only way to strengthen your muscles. And studies have shown that ...

Triathlete Mika Noodt shares the 5 best exercises for your lower and upper back - that you can do at the gym or at home. Back training is like a triathlon: "In the end, it's the little things that ...