Back عضلة كابة مربعة Arabic Múscul pronador quadrat Catalan Musculus pronator quadratus German Músculo pronador cuadrado Spanish ماهیچه درونگردان چهارگوش Persian Muscle carré pronateur French Músculo pronador cadrado Galician השריר הכפן המרובע HE Četverokutni pronator Croatian Négyszögű csavaró izom Hungarian
| Pronator quadratus muscle | |
|---|---|
 Anterior view of left forearm. Deep muscles. (Pronator quadratus visible at bottom-center right.) | |
| Details | |
| Origin | Medial, anterior surface of the ulna |
| Insertion | Lateral, anterior surface of the radius |
| Artery | Anterior interosseous artery |
| Nerve | Median nerve (anterior interosseous nerve) |
| Actions | Pronates the forearm |
| Antagonist | Supinator muscle |
| Identifiers | |
| Latin | musculus pronator quadratus |
| TA98 | A04.6.02.038 |
| TA2 | 2493 |
| FMA | 38453 |
| Anatomical terms of muscle | |
Pronator quadratus is a square-shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand.