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 ...

The humble bicep curl is your simplest lift and an essential ingredient in your quest for building titanic arms. For most, the dumbbell bicep curl is where it all begins, and where the passion grows – ...

If your arm day consists of bicep curls on bicep curls, it might be time to switch things up and throw some bicep curl variations into the mix. Doing slightly different takes on the staple exercise ...