Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A repeat radiograph taken nine months later demonstrates significant improvement in the majority of the spinal deformity. The C7 plumb line (red line) is drawn caudally from the C7 vertebra's center. The line should be parallel to or within 5 mm of S1's superior-posterior endplate. In a well-aligned subject, the line of COG (yellow line) has improved in the sagittal plane.
