Get ready for the ultimate pump.

You'll need to understand more about the muscles and how you'll use them during each exercise variation to produce the results you're hoping for to build a pair of big, strong arms. There's nothing ...

If you stride through the gym straight to the dumbbell rack, grab the first set of weights you see and immediately get to curling, your biceps-building workout is probably too rushed. To really ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." WHEN YOU WANT to push your arm workouts beyond the basics, you should be looking to add exercises that ...

When it comes to building bigger arms, some people are lucky enough to get all the bang-for-buck they need from big compound exercises such as chin-ups, presses, rows and dips. For the rest of us ...

You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

Your arms contain many muscles that work together to allow you to perform all sorts of motions and tasks. Each of your arms is composed of your upper arm and forearm. Your upper arm extends from your ...

Here’s one of those weird-yet-fascinating, quirky-yet-perhaps-helpful research findings: People who clench their muscles—by, say, making a fist or tensing their biceps—show a brief spurt of improved ...