Medically reviewed by Renee Nilan, MD The brachioradialis is a large forearm muscle that helps bend the elbow, ... and forearm pronation and supination, which involve rotating your wrist.

Jeff Cavaliere of Athlean-X explains how training the brachioradialis muscle, which extends from the forearm to ... Instead, the brachioradialis aids flexion, supination, and pronation of the elbow.

Brachioradialis pain occurs when shaking hands, turning a doorknob, or drinking from a cup. ... forearm pronation, which helps rotate your forearm so your palm faces down; ...

The brachioradialis is a big meaty pronator on the outside top of your forearm, ... Pronation, either turning your forearm palm-down or just holding it in a palm-down position.

Brachioradialis strains are less common and don’t see as much torque and strain as the other flexor muscles. For that reason, the prognosis is better and should lead to a shorter recovery.” ...

If you rotate your hands 90 degrees again (to a pronated grip), you’ll target yet another elbow flexor, the brachioradialis.

Similarly, in order to ensure that the brachioradialis—and not the brachialis—is doing all the work, he advises shortening the range of motion on the curl, starting with the bar at your waist ...