This simple yet powerful move targets the back of your arms using just your body weight—and it delivers serious results.

You use your arms and shoulders daily (think pushing, pulling, and lifting items above your head), so it's imperative you incorporate upper-body exercises into your workout routine. "Strengthening the ...

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. Arm day can be one of ...

These arm-strengthening exercises from yoga mirror many gym workout movements yet bring additional core-strengthening ...

The name skull crushers isn’t too enticing—I get it—but it's a great triceps-toning move, and not as scary as it sounds. While it might be a little more advanced than other dumbbell exercises ...

No arm workout is complete without a few exercises for triceps, but that doesn’t mean you need to leave your sweaty prints on every piece of iron in the weight room. In fact, according to top trainers ...

On arms day, triceps exercises tend to get thrown in as an afterthought once you’ve burned out your biceps and shoulders. But though the backs of our arms may not get top billing, that doesn’t mean ...

Anyone interested in building lean muscle will love this method.

New workout creation tool lets users design personalized training routines with exercise filtering, progress tracking, ...