Chair exercises for muscle mass after 65 need only a sturdy chair and dumbbells. A certified trainer shares 6 moves.

STAYING IN SHAPE is a continuous process. If you've ever had to press pause on your routine, changed up your lifestyle, moved away from your favorite gym, or just fallen out of the habit of exercising ...

This quandary can be especially frustrating for those of us who have fallen off the workout wagon. You're not exactly a beginner; you knew your way around a gym back in the day. It's just been a ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman working out with lower back exercises Arm day, leg day, ab day—these are the familiar pillars of strength training. But what ...

It's easy to assume pull-ups are all about the arms—but the real engines behind a strong, controlled rep are the back and shoulders. In fact, if you’ve ever tried (and struggled) to get your chin over ...

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 ...