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