Fig. 2From: Sagittal femoral bowing contributes to distal femoral valgus angle deviation in malrotated preoperative radiographsThe digitally reconstructed radiography (DRR) images parallel to the SEA (NR), 5° and 10° relative to the SEA, respectively, were reconstructed. ER, external rotation; IR, internal rotation; NR, neutral rotation; SEA, surgical epicondylar axisBack to article page