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.
Intraoperative neurophysiologic monitoring for left triceps (left) and left extensor hallucis brevis-abductor hallucis muscles (right) demonstrates baseline motor evoked potentials (top and repeated for reference purpose at bottom) and subsequent loss of signals (arrows) approximately 90 minutes after incision.
