The supinator runs between the bones the radius and ulna in the forearm. It supinates your forearm, turning it palm up. The opposite of this pattern is pronation, rotating the forearm so that your palm faces downward. The causes, pain patterns, corrective actions, and self-care are similar to brachioradialis. Supinator dysfunction is at the root of most cases of lateral epicondylitis, sometimes called “tennis elbow”.
Pain from supinator trigger points often originates on the outside of the forearm, near the elbow. It may also progress down the arm toward the base and web of the thumb.
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