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Table 2 AO/OTA scapula fracture classification

From: Interobserver reliability of scapula fracture classifications in intra- and extra-articular injury patterns

A

Scapula process fractures

B

Scapula body fractures

F

Glenoid fossa fractures

A1

Coracoid fracture

B1

Fracture exits the body at ≤ 2 points

F0

Fracture through the extra-articular subchondral bone of the glenoid fossa

F1.1

Simple, anterior rim fracture

A2

Acromion fracture

F1.2

Posterior rim fracture

B2

Fracture exits the body at ≥ 3 points

F1.3

Transverse or short oblique fracture

A3

Spine fracture

F2.1

Multifragmentary (≥ 3 articular fragments), glenoid fossa fracture

F2.2

Multifragmentary (≥ 3 articular fragments with rim exits) fracture with central dislocation