Get ready for the ultimate pump.

It is what the fitness enthusiasts call a muscle pump. This temporary swelling happens when blood rushes into the working ...

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 ...

Sometimes, you have a half-hour of longer to really annihilate your arms in the gym, crushing them with exercise after exercise to stimulate growth. But sometimes, you just need a sleeve-busting ...

To achieve a sculpted look with the upper body, you need a well-rounded routine made up of exercises that target every part of the arm, including the shoulders, triceps and biceps. Strong arms don’t ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." NO ARM DAY WORKOUT is complete ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." NO ARM DAY WORKOUT is complete without a solid biceps pump. The big arm muscles are one of the most ...