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.
During sagittal spinal movement (flexion–extension) the more coronally orientated (C) facet joint will restrict the movement of the joint in the anteroposterior plane (a) leading to automatic rotation (b) Thus tropism could lead to a combined movement in the spine whenever the articular facet glides on each other, ending with automatic rotation during spinal movement
