Jay Cutler is famous for his thick biceps, and if you’re aiming to build big biceps like his, he just revealed his favorite exercise: cable hammer curls using a rope attachment. Although the retired ...

When it comes to building strength and size in our biceps, many of us immediately reach for a pair of dumbbells or a barbell and start blasting through different curl variations. There’s no denying ...

The cable spider curl takes the perks of the dumbbell spider curl, and upgrades it by keeping constant muscular tension throughout the rep. Not only that, you'll be eliminating momentum, therefore ...

ARM DAY TRAINING can't just be something you clock in for without focus and intention. If you want to grow your arms, you need to approach each set with purpose. That purpose? Challenging yourself to ...

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 ...