Fig. 2From: How to avoid unintended valgus alignment in distal femoral derotational osteotomy for treatment of femoral torsional malalignment - a concept studyOverview of cadaveric femur shaft from frontal and lateral view for definition of the proximal middle point of the shaft and distal middle point of the shaft at the proposed cutting plane, a lateral view, virtual anatomical axis (black) and perpendicular cutting plane (red), despite bowing (dotted line); b frontal view, virtual anatomical axis (black), perpendicular cutting plane (red)Back to article page