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. There’s a lot of ...

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 ...

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 ...