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.
Image showing measurement of peak hyoid position in X, Y, and XY planes of movement relative to the anterior–inferior corner of the C4 vertebra. The red dashed line between the anterior–inferior corners of the C2 and C4 vertebra is used as an anatomical reference scalar.
This work is licensed under a