| Origin |
Distal 1/4 of anterior surface of ulna |
| Insertion |
Distal 1/4 of anterior surface of radius |
| Action |
Pronates forearm; deep fibers bind radius and ulna together |
| Innervation |
Anterior interosseous nerve from median nerve (C8 and T1) |
Arterial
Supply |
Anterior interosseous artery |