Fig. 4From: The range of the required anterolateral cortex osteotomy distance varied widely in biplanar open wedge high tibial osteotomyThe hinge axis was defined as the line parallel to the Z-axis and 5 mm medial to the lateral tibial cortex on the plane of the transverse cut. The hinge point was defined as the intersection point of the hinge axis and the anterior surface of the tibiaBack to article page