Robinson Classification (Clavicle Fractures)
Robinson (Edinburgh) classification of adult clavicle fractures by site, displacement, joint extension and comminution: twelve subtypes from 1A1 to 3B2.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Site: 1 medial fifth, 2 diaphysis, 3 lateral fifth
- Diaphysis (midshaft)
- A undisplaced or aligned, B displaced
- Displaced
- Displaced shaft
- Segmental, isolated or comminuted
Result: Robinson type 2B2: midshaft, displaced, isolated or comminuted segmental.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Site: 1 medial fifth, 2 diaphysis, 3 lateral fifth
- A undisplaced or aligned, B displaced
- Medial or lateral fifth: 1 extra-articular, 2 intra-articular
- Aligned shaft: 1 undisplaced, 2 angulated
- Displaced shaft: 1 simple or wedge comminuted, 2 segmental
How this is calculated
Citation
Robinson CM. Fractures of the clavicle in the adult. Epidemiology and classification. J Bone Joint Surg Br. 1998;80(3):476-484. Subtypes as tabulated in Int J Environ Res Public Health 2022 (PMC9690708). Read the sources: Robinson 1998 ↗, IJERPH 2022 ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.