Add Yahoo as a preferred source to see more of our stories on Google. Bulging biceps are a sign of strength, power, and dedication. The cable bicep curl is one of the elite bicep-focused exercises ...

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.

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. The humble wrist curl ...