The arms are one group of muscles you can always rely on to make you look strong, with or without a shirt on. Big, defined ...

If toned, powerful arms are part of your fitness goals — whether for health, confidence, or showing off in your favorite ...

Get step-by-step instructions for chair exercises for arms that build strength, improve mobility, and support everyday ...

Chair arm exercises after 65 can rebuild strength safely. Get 4 easy moves with expert tips for better daily function.

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Either standing or seated, grab a dumbbell in each hand and let your arms hang almost completely straight at your sides, ...

Unlock functional independence and reverse muscle loss without ever lifting a dumbbell; these expert-approved seated moves ...

Strong arms do more than look toned. They help lift groceries, push doors, and support posture all day. Upper body strength ...

Dino Morea has been impressing fans with his chiselled physique and dedication to fitness. With a career spanning over two ...

Chair exercises for sagging arms after 50, try 5 expert-quoted moves from trainer Jill Jones to firm triceps fast.

Some celebrities are known as much for their bodies as for their bodies of work—sometimes even more so. For instance, Usher will always be associated with ripped abs. Angelina Jolie may have the most ...