The Outerbridge Classification

This is the first in a series of episodes where I review some classic articles and classifications.

The Outerbridge classification was first presented in JBJS-B in 1961

The classification is as follows:
1 - Softening and swelling
2 - Fragmentation and fissuring less than 1/2 inch diameter
3 - Fragmentation and fissuring greater than 1/2 inch diameter
4 - exposed bone

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