- Fall on pronated, extended arm
- Usually treated with closed reduction
- On reducing if the ulna is not fractured use hyperextension & pronation to recreate the deformity
| Age | Degrees |
|---|---|
| < 5 years | 25-35° |
| 5-10 years | 20-25° |
| 10-12 | 15° |
| >12 years | < 15° |
- avoid radial deviation
- Thurston holland sign
- presence of a small separated fragment of bone from the growth plate, occurring in Salter Harris type II growth plate injuries.