Fig. 4From: Cervical sagittal alignment in adolescent high dysplastic developmental spondylolisthesis: how does the cervical spine respond to the reduction of spondylolisthesis?The possible mechanism of cervical lordosis in patients with HDDS. A 15-year-old male with grade IV HDDS shows significant lumbosacral kyphosis (Dub-LSA = 71.1°); LL can compensate for kyphosis → TK is normal → CL is lordotic, and the spine is balanced (the green arrow is C7PL)Back to article page