Score: Essex-Lopresti classification
Use: Calcaneal fractures
Extra-articular
anterior process
tuberosity (beak or avulsion)
medial process
sustentaculum tali
body
Intra-articular
70-75% of fractures are associated with joint involvement
undisplaced
joint depression type
comminuted
Reference
Classification and Diagnosis in Orthopaedic Trauma. Editors: Rahij Anwar, Kenneth W. R. Tuson, Shah Alam Khan. Cambridge University Press, 2008