Sneppen

SNEPPEN (Acta Ortho Scand, 45:307, 1974)
Type 1 – compressive fracture of the talar dome usually involving medial or lateral aspect

Type 2 – shearing fracture of the talar body
2A – coronal shearing force
2B – sagittal shearing force
2C – horizontal shearing force

Type 3 – fracture of the posterior tubercle
Type 4 – fracture of the lateral process, “Snowborder’s fracture”
Type 5 – crush fracture