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 ...

Any gym-going female human knows just how much men like to show off their muscles. But it turns out that it’s not just male humans who think that flexing their biceps at ladies is an effective ...

There's nothing like a big-time biceps flex—and to achieve a muscle peak you can be proud of, you'll need these biceps exercises. Consider this your permission to flex. What You Need to Know About ...

NO ARM DAY WORKOUT is complete without a solid biceps pump. The big arm muscles are one of the most popular points of focus for mass-obsessed gym bros, and for good reason. The biceps take up a prime ...

That ring is as big as her bicep. When she’s not flexing her bicep and ring, she’s been flexing on oppoents back on the track, winning the first-ever Grand Slam event in Jamaica and doing a dance ...

"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 ...