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. April 24, 2024 Add as ...

When you think of biceps, do you think bulging like Arnold Schwarzenegger? Or maybe that signature double flex pose comes to mind? Whatever image you conjure up, biceps are more than just for looks.

For most lifters, arm day is built around the holy trinity of biceps training: barbell curls, dumbbell curls and, occasionally, cable curls. It works – but it doesn’t make you immune to plateaus.