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.
Comparison of the strain ratio of the levator scapulae among the 3 groups. The bars and error bars indicate the mean value and standard deviation, respectively. Asterisk (∗) indicates a significant difference between the symptomatic and asymptomatic groups (P < .05). Dagger (†) indicates a significant difference between the symptomatic and healthy groups (P < .05).
