1. ‘The iliac Apophysis ossifies in a predictable fashion from anterolateral to posteromedial along the iliac crest.’ ‘The history and clinical picture of avulsion of the ischial Apophysis closely mimics that of a hamstring injury.’ ‘These structures, along with the columella and Apophysis are present in …

2. The fusion that Ankyloses the joints progresses vertically up the spine.[1,2,4,5,7] Initially, the apophyseal joints of the superior and inferior articular surfaces of the lumbar vertebrae are spared due to their constant motion.[2] But as the osteoblastosis progressively infiltrates the annulus fibrosis of each veretebral disk and ossifies it, as well as the surrounding soft-tissue