Ovadia and Beals classified fractures of the distal tibia at the ankle based on a modification of the scheme proposed by Ruedi and Allgower in 1969. The authors are from the Oregon Health Sciences University in Portland.
Parameters:
(1) displacement of fragments
(2) additional defect
Displacement
Additional Defects
Grade
none
NA
I
minimal
NA
II
present
NA
III
present
large metaphyseal defect
IV
present
severe comminution
V
where:
• Plafond is French for roof or ceiling. The distal tibia covers the talus.
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