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.
For lumbar lordosis angle calculation, we inserted digital images into the AutoCAD software. After zooming in on the images, by special devices of AutoCAD (Arc), we dragged an arch shape on the plastic flexible ruler. For the sake of more carefulness, 2 arches were used. (Color version of figure is available online.)
