"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 ...

FROM THE MOMENT that many guys pick up a weight for the first time, their primary goal is to build our own set of action-hero arms like Rambo or the Terminator—so the first instinct is to do curls, ...

Arm fat can be particularly frustrating. It’s often one of the last areas to respond to diet and exercise, and the first place to show when we gain weight. Whether you’re concerned about upper arm ...