Figure 3From: The biomechanical differences of rotational acetabular osteotomy, Chiari osteotomy and shelf procedure in developmental dysplasia of hip The three different treatment options for DDH. a-c were the appearance of specimen after shelf procedure (a), Chiari osteotomy (b) and RAO (c); d-f were the X-ray pictures after shelf procedure (d), Chiari osteotomy (e) and RAO (f), and CE angles after every osteotomy were all greater than 20 degrees.Back to article page