An official website of the United States government
Here’s how you know
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.
... those of the lower legs, hands, neck, and face. People with this disorder often have prolonged muscle contractions (myotonia) and are not able to relax certain muscles ...