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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 ...

Ask someone to flex, and chances are they’ll strike the classic double-biceps pose. Ask them what the best biceps exercise is, and you’ll probably hear “dumbbell curl.” That's not a bad guess, ...

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 ...

When it comes to bodily attractiveness, certain muscle groups are considered more desirable than others. In an Evolutionary Psychology study, for instance, more than 500 heterosexual women rated the ...