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Pronator Quadratus

Pronator Quadratus works in conjunction with Triceps Brachii during pronation with elbow extension.

Origin

• Lower quater of the anterior surface of the ulna

Insertion

• Lower quarter of the anterior side of the radius

Actions

• Pronation

Innervation

• Median nerve

Daily uses

• Turning a screwdriver

How can I strengthen it?

• Pronation using a resistance band