Deltoid Ligaments Fibula Medial malleolus Posterior malleolus
1. Deformity 2. Swelling 3. Bruises 4. Antalgic gait
1. Radiographs - External rotation stress radiograph Clear space >5mm 2. AP view - Lateral view - Oblique view
Lauge-Hansen Supination adduction Supination – external rotation Pronation – aduction Pronation – external rotation
A B C Lateral malleolar
Non-operative - short-leg walking cast/boot - <3mm displacement - <25% pasterior malleolar fracture - <2mm step-off
O.R.I.F - Anatomic reduction
Non-displaced plaster
Displaced O.R.I.F
3mm displaced O.R.I.F