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 ...

You'll need to understand more about the muscles and how you'll use them during each exercise variation to produce the results you're hoping for to build a pair of big, strong arms. There's nothing ...

There tends to be two camps when it comes to arm training: bicep curls every day, or those who always choose to hit their biceps indirectly with compound lifts. But according to exercise scientist and ...