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.
Faced with obstructed delivery of the shoulders, a not uncommon misstep is to reverse direction and pull upward with equal force to the initial downward traction. Unless the obstruction is relieved, such reversal risks injury to the posterior brachial plexus.
