A. A curve passing through the center of the cortical bone in the cross-sectional view of the A-screw (*) and a curve passing through the center of the cortical bone in the cross-sectional view of the B–C-screw (†) were drawn. B. The curve and the lower edge of the screw were projected onto a graph. (*A-screw cross-section, †B, C-screw cross-sections). The horizontal plane was defined as the X-axis, and the perpendicular line was defined as the Y-axis. C. The maximum angle at which each screw could be adjusted without interfering with the intercondylar area is measured (*A-screw angle: AnA; † B-screw angle: AnB, denoted graphically by black star; C-Screw angle: AnC, denoted graphicallyby white star). D. On the cross-section depicting the B, C-screw, the angle between the line connecting the insertion point of the B, C-screw of the plate (denoted by black star) and the tangent line to the bony cortex (denoted by white star) was defined as AnP. E. The distance (D; denoted graphically by biconditional arrow sign ⇔) from the center of the intercondylar space to the sulcus was measured on a transverse section perpendicular to the femoral axis, depicting the transcondylar axis.