Figure 3.
Percentage of change in muscle activity of (A) upper trapezius, (B) lateral deltoid and (C) anterior deltoid (reference: conventional stool) by ergonomic support.
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.