Ankle composed by the distal tibia, distal fibula and talus body ition. Ankle fractures are caused by indirect violence, such as flexor sprain. Fracture ankle swells, or bruising, and severe open fracture dislocation may occur.
TypeⅠ: varus adduction.
Type Ⅱ:varus external rotation; valgus outreach.
Type Ⅲ: valgus external rotation.