Fig. 1

Miniaci’s method and Dugdale’s method. a Miniaci’s method: Line 1 is the planned weight-bearing line. The angle between lines 2 and 3 is the planned correction angle α. b Dugdale’s method: Line 1 runs from the center of the hip joint to the target point of the tibial plateau. Line 2 runs from the center of the ankle joint to the target point of the tibial plateau. The angle between lines 1 and 2 is the planned correction angle β