Skip to main content
Fig. 3 | Journal of Orthopaedic Surgery and Research

Fig. 3

From: Cervical sagittal alignment in adolescent high dysplastic developmental spondylolisthesis: how does the cervical spine respond to the reduction of spondylolisthesis?

Fig. 3

The possible mechanism of cervical kyphosis in patients with HDDS. A 10-year-old female with grade IV HDDS shows severe lumbosacral kyphosis (Dub-LSA = 43.4°); LL cannot compensate for kyphosis → TK becomes lordotic → CL becomes kyphotic to maintain a forward gaze; retroversion of the pelvis (PT ↑, SS↓) → if the spine is still unbalanced (the green arrow is C7PL), then knee flexion results in a crouched stance

Back to article page

Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X