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.
Group mean changes from pre- to post-exercise in maximal M-wave (Mmax) (A), motor evoked potential (MEP) (B) and root mean squared electromyogram (EMGrms) (C) from biceps brachii during 25% maximal voluntary contraction (MVC) elbow flexion in control (CTRL) and fentanyl (FENT) sessions. *Significant difference from pre-exercise.
