| ASIF classification of distal forearm fractures |
| A |
Extra-articular metaphyseal fracture |
A1 |
Isolated Distal Ulna |
| A2 |
Simple Radial Fracture |
| A3 |
Radial Fracture with metaphyseal impaction |
| B |
Intra-articular rim fracture
(One cortex intact) |
B1 |
Radial Styloid (Chauffeurs) |
| B2 |
Dorsal rim (Dorsal Barton) |
| B3 |
Volar rim (Volar Barton) |
| C |
Complex Intra-articular
(epiphysis and metaphysis involved) |
C1 |
Radiocarpal joint congruity preserved |
| C2 |
Articular displacement |
| C3 |
Diaphyseal-metaphyseal involvement |
