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.
Eight studies compared low-shock wave (SW) versus high-SW frequency ranges. Four trials reported outcomes comparing low-SW versus intermediate-SW frequencies. Three studies compared outcomes between high-SW and intermediate-SW frequencies.
