Add Yahoo as a preferred source to see more of our stories on Google. When you’re only curling a dumbbell with one arm, you might think the other arm just hangs out, unaffected. In a fascinating new ...

Why this classic move remains one of the most effective and safest exercises for building arm strength at any fitness level.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images If you ...

The biceps take up a prime position on the front side of the upper arm, making them one of the most visible muscles you can put on display, whether you're wearing a form-fitting t-shirt or no sleeves ...

Add Yahoo as a preferred source to see more of our stories on Google. Are bicep curls alone enough to pump up your upper arms? Photo: Getty Images Strong and defined arms are not only eye-catching but ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TO MAKE THE arm muscle gains you want, you'll need to be intentional. Following a balanced workout split ...

Do you know the difference between isolating and compound exercises? The former (e.g. bicep curls) focuses on one muscle, helping them grow faster, while the latter (e.g. deadlifts) uses multiple ...

The biceps and triceps are two major muscle groups of your arm that play a significant role in the movement of the upper extremities. Well-developed biceps and triceps are highly sought after by ...

A new study suggests training with lighter weights can be nearly as effective as lifting heavy, provided you do more reps.