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 ...

If you’ve been looking to add size and strength to your arms, you’ve probably asked these common questions: How heavy should I lift? And what rep range actually delivers noticeable results? Enter the ...

The Biceps Curl is one of the most universally recognized weight training exercises of all time. It's a common reference in pop culture, particularly if the character is depicted as a "gym rat." But ...

Ask any guy at the gym what one of his biggest fitness goals is and we're pretty sure he'll say getting bigger arms. No shame in wanting to flex on 'em, especially since according to the American ...

A strong bicep can create that defined look in the upper body that many people desire. But what most people don't realize is how important strengthening this area is for reasons beyond aesthetics. The ...

STRENGTH TRAINING CAN become monotonous, especially once you've been lifting for a long time. Rep after rep of the same few exercises can get boring—and when it does, sometimes exercisers can get a ...

If you want to work the upper body, but are unsure which exercises to do, a back and bicep themed workout is always a great stand by. These muscles are often targeted within one routine because they ...