Fig. 2From: Inter- and intraobserver agreement of three classification systems for lateral clavicle fractures – reliability comparison between two specialist groupsSummary of the OTA classification system [9] (adapted with permission from Sandstrom CK, Gross JA, Kennedy SA. Distal clavicle fracture radiography and treatment: a pictorial essay. Emergency radiology. 2018;25(3):311–9.) [17]Back to article page