Fig. 2From: Biomechanical investigation of pelvic stability in developmental dysplasia of the hip: unilateral salter osteotomy versus one-stage bilateral salter osteotomyDifferent osteotomy for pelvis and the displacement of marked point was acquired by sophisticated camera. a The intact pelvis. b The unilateral salter pelvic osteotomy. c One-stage bilateral Salter pelvic osteotomy. The red arrow refers to M1 or M2 or M3, and green arrow refers to L1(R1) and L2(R2)Back to article page