Lee Haney’s back was the factor that led to his 8-year-long Mr. Olympia reign. Aspiring bodybuilders or fitness enthusiasts, this is your day to learn how to take care of your paraspinal muscles ...

Back exercises after 50 that beat machines for rebuilding muscle, plus a CSCS coach's sets, reps, and form tips.

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 ...