Based on mechanism of injury
| Type | ||
|---|---|---|
| 1 | Bending | metaphysis fails due to tensile stress (Colles & Smith fractures) |
| 2 | Compression | die punch fractures |
| 3 | Shearing | fractures of the joint surface such as Barton fractures & fracture of the radial styloid process |
| 4 | Avulsion | fracture of ligamentous attachments (fracture of the ulnar & radial styloid processes) |
| 5 | Combination | Combinations of types one through four & high velocity injuries |