Chair exercises for lower back strength after 50, a CSCS coach shares 5 safe moves to build stability without heavy weights.

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 ...

For mobility workouts from Danielle Gray — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! If you suffer from pesky aches and pains, there's a ...

Ease yourself into better shape with this modified routine by exercise physiologist Chris Jordan, creator of the original 7-minute workout. Warning: This graphic ...