Bicep curls use an underhand grip, meaning the palms draw toward the shoulder during elbow flexion, isolating the bicep. But hammer curls stimulate the muscle heads differently. By using a neutral ...

Hammer curls, on the other hand, work the bicep brachii muscle plus two other, connected muscles: the brachialis (the muscle underneath the biceps brachii, aiding elbow flexion) and the ...

Why: In a biceps-focused list like this, you can’t leave out the classic dumbbell curl. So we didn’t. It's everything you want: you'll hone elbow flexion and supination while isolating the biceps.

The dumbbell biceps curl's simplicity makes it a great fit ... You'll also work through the two main functions of the biceps: elbow flexion (bending your arms) and supination (rotating your ...

This is because these all rely on elbow flexion, which the bicep is responsible for. The hammer curl targets more muscles than the bicep curl, so you’ll generally be able to lift more weight ...

Even 100 bicep curls daily for a month might not cut it ... Functionally, the biceps are key players in elbow flexion (bending the arm), forearm supination (rotating the forearm so the palm ...

As well as targeting your biceps, the hammer curl also works the brachialis (the muscle underneath the biceps which aids elbow flexion) and the brachioradialis (one of forearm muscles that support ...

The biggest shift from the standard biceps curl and the hammer curl is in the ... beneath the biceps and is the primary mover for elbow flexion. By making this shift, you'll get stronger—and ...

"Proper form requires strict elbow flexion with a full range of motion, focusing on the biceps only." RELATED: 5 Best 'Arm Day' Workouts To Build Muscular Biceps Many gym-goers perform bicep curls ...

the incline dumbbell curl is pretty much unrivaled. "It targets the long head of the biceps (the lateral part of the muscle), which is stretched at the beginning of flexion of the elbow," says Zach.