| Mallet Injury Classification | |||
| I | Closed - Tendon Rupture | ||
| II | Laceration | ||
| III | Abrasion with tissue loss | ||
| IV | With fracture | IVa | Without joint subluxation |
| IVb | With joint subluxation | ||
| Also Note: | Extension Lag Active___ Passive___ | ||
| Swan Neck? Y___ N___ | |||
| XRay abnormalities: | |||