AO Classification – General Principles
General Principles
1-Humerus
2-Radius\Ulna
3-Femur
4-Tibia\Fibula
-1,2,3-prox.,diaphysis,distal
Diaphysis Epiphysis
A simple extra-artic
(1-spiral,2-oblique,3-transverse
B segmental partial-artic
C comminuted articular
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