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Classification of elbow instability and labeling of injured ligaments.
| Direction of instability | ||
|---|---|---|
| Varus | Valgus | |
| LCL + LUCL | 0° | aMUCL |
| LCL > LUCL | 30° | aMUCL > pMUCL |
| LCL ≥ LUCL | 60° | aMUCL < MUCL (pMUCL) |
| LUCL | 90° | MUCL (PMCL) |
|
| ||
| Overextension | Ventral capsule + aMUCL + LCL | |
