brachialis, which attaches to your humerus and your ulna; brachioradialis, ... Elbow flexion is considered impaired when you can’t flex your elbow as much as you want to.

Training the brachialis muscle, a smaller muscle behind the biceps that acts as the primary mover of elbow flexion, can help to make your arm muscles look even bigger.

But there’s more. (Only a little bit, I swear.) “You also have the brachialis, which helps with elbow flexion, and then the brachioradialis, which connects into the forearm,” says Max ...

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.

The brachioradialis increases the speed of elbow flexion. ... Brachialis: This muscle is just underneath the biceps brachii in the front part of the arm.

This is due to the functional importance of the muscles that act on the joint, especially the brachialis, which participates in elbow flexion, and the triceps brachii, which participates in elbow ...