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.
Normal individual variations in the harmony of the sagittal shape of the spine (theoretical draws). a A large pelvic incidence associated with a greatly tilted upper sacral plate and a pronounced lordosis. b A low pelvic incidence associated with a more horizontal upper sacral plate and flatter sagittal curves
