Table 2 Modified outerbridge classification of articular cartilage lesions [16,17,18,19,20]
From: Proprioception deficiency in articular cartilage lesions of the knee
Grade | Description of lesion |
|---|---|
0 | Normal |
I | Softening |
II | Superficial fibrillation |
III | Partial thickness loss of cartilage |
IV | Full thickness loss of cartilage (exposed subchondral bone) |