Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2019 Feb 7;6:2055668319827466. doi: 10.1177/2055668319827466

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2019

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

PMC Copyright notice

Figure 22. — EMG mean frequency values for VL at 20%, 40%, 60%, 80% and 100% MVC under 50 Hz–0.5 mm V against C. VL: vastus lateralis, MEF: mean frequency; MVC: maximal voluntary contraction; EMG: electromyographic.