If you’re training at a full gym with lots of equipment, you may see a rack full of weights that resemble barbells, except they’re shorter with several bends in the middle. This is called a curl bar — ...

Whether you’re chasing bigger sleeves, improving your bodybuilding proportions, or simply trying to add more size and ...

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 ...

No matter how you slice it up, building a sleeve-busting set of biceps requires curls—lots of them. But if your routine consists of nothing but the same stale standing curl movements that give you a ...