Table 1.
Magnetic resonance imaging (MRI) classification of acute injury of the posterior oblique ligament (POL) proposed by House et al18
| Grade | Description |
|---|---|
| Grade I – microscopic tear |
Ligament of normal thickness and intact with oedema (T2 high signal) surrounding the ligament |
| Grade II – partial tear |
Thickening of the ligament with partial disruption of fibres and increased amount of surrounding oedema/haemorrhage |
| Grade III – complete tear |
Complete disruption of the ligament with surrounding oedema/haemorrhage |