Men's Fitness. Barbell curls, hammer curls, preacher curls—there are all sorts of biceps curl variations for you to try. But ...

1. Grip Bicep curls are performed using a palms-up, or supinated, grip, while in hammer curls, the palms face each other in a neutral grip.

Hammer curls boost forearm and grip strength and add width and thickness to the upper arm. Since your wrist is in a neutral position, they are a more elbow and wrist-friendly option for those who ...

This is where hammer curls come into play, providing a perfect complement to biceps curls. They can lead to even stronger and more muscular arms. Which muscle groups are specifically trained with this ...

A unique bend of alternating biceps and hammer curl work, this series places your forearms under plenty of tension. Grip the dumbbells tightly throughout for even more forearm work.