Pronator Quadratus
Pronator Quadratus works in conjunction with Triceps Brachii during pronation with elbow extension.
Origin
- Lower quarter 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
Example strengthening exercises
- Pronation using a resistance band
Related muscles
- Triceps brachii
- Pronator teres
