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) Ultrasound with landmarks. Red arrow denoting vector along which motion was analyzed for motiongram. b) Generated motiongram of hyoid displacement at baseline. Red arrow is the translated m-mode vector on ultrasound clip, representing the y axis in millimeters. M-Sh = mandible shadow. H-Sh = hyoid shadow.
