If you’ve already given a few of our 7-minute workouts a try — and maybe those 7-minutes of you time working out have become a bona fide habit — remember that you can always extend it. If time becomes ...

Arm flab exercises for women over 55, 4 daily moves from a certified trainer to firm triceps and shoulders fast.

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. Curls are the classic ...

SCULPTING A SET of strong, muscular arms is high among the top priorities guys have at the gym. The big arms ideal is often thought to be a purely aesthetic pursuit—and for some trainees, that might ...

You can strengthen and tone your arms at home with dumbbells, kettlebells, exercise bands, and bodyweight exercises. If the idea of sweating it out at the gym or waiting in line for a fitness class ...