Figure 2From: The biomechanical differences of rotational acetabular osteotomy, Chiari osteotomy and shelf procedure in developmental dysplasia of hip The model of DDH. a and b were the appearance of specimen before and after osteotomy; c and d were the X-ray pictures before and after osteotomy, and the CE angle was 32°before osteotomy, and it turned to 16°after osteotomy.Back to article page