Intraarticular fractures should not be immobilized except as a temporizing measure prior to definite surgical treatment.
A split depression fracture of the lateral plateau is usually a low velocity injury.
Fractures involving the medial plateau or the tibial spine are high velocity injures with great risk of soft tissue complications. Even when undisplaced there is a great risk of deformity. The split depression is often split also in the coronal plane which leads to posteromedial subluxation of the joint. Beware of popliteal artery injuries and traction lesions of the peroneal nerve.