Table 1.

The Edinburgh classification of clavicle fractures

Type 1 medial-end fracture	1 A—undisplaced	1 A 1—extra-articular
		1 A 2—intra-articular
	1 B—displaced	1 B 1—extra-articular
		1 B 2—intra-articular
Type 2 shaft fracture	2 A—cortical alignment	2 A 1—undisplaced
		2 A 2—angulated
	2 B—displaced	2 B 1—simple or wedge comminuted
		2 B 2—isolated or comminuted segmental
Type 3 lateral-end fracture	3 A—cortical alignment	3 A 1—extra-articular
		3 A 2—intra-articular
	3 B—displaced	3 B 1—extra-articular
		3 B 2—intra-articular