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) Coronal image of the raw 3D spinal ultrasound; (b) acquisition of a coronal image with clear spinous processes; (c) measurement of the SPA (yellow lines are the most tilted lines between two spinous processes); (d) horizontal image of the raw 3D spinal ultrasound; (e) acquisition of a horizontal image with clear apical vertebra; (f) measurement of the AVR (red line below is the horizontal reference line). 3D = three-dimensional.
