Fig. 3From: Comparison of the modified Smith-Petersen (S-P) and ilioinguinal (I-I) approaches for periacetabular osteotomy in adult developmental dysplasia of the hip: a retrospective studyRadiographic images of the hip at pro-operation. a Pelvic positive position. b Left hip joint 65° oblique piece at pro-operation. c Right hip joint 65° oblique piece at pro-operationBack to article page