Table 1 Neer’s classification of proximal humeral fractures and radiological inclusion criteria

Potential fracture “parts” (Neer)

Head (H), Shaft (S), Lesser tuberosity(LT), Greater tuberosity (GT)

Definition of a “part” (Neer)

>1 cm displacement or >45° rotation. Normal neck shaft angle 130°

Radiological inclusion criteria

3-part fractures:

 H + GT, S and LT

 H + LT, S and GT

 H, LT + GT and S

 H, GT, LT + S

 H, LT, GT + S

4-part fractures:

 H, LT, GT and S