Movement guide
Supinator
Deep proximal forearm muscle that turns the palm upward.
01
Resisted forearm supination
Forearm rotation · Light lever
Also works
Biceps brachii; wrist stabilizers
How to perform +
Support your elbow and forearm. Use a light lever to resist turning the palm upward. Return slowly.
Keep the movement at the forearm rather than rotating your shoulder.
Example volume · 2 sets × 8–12 reps