Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Electromyography: some methodological problems and issues

K S Türker1

  • 1Department of Physiology, University of Adelaide, Australia.

Physical Therapy
|October 1, 1993
PubMed
Summary

This review covers electromyography (EMG) challenges, including signal interference and artifact contamination. It compares surface and intramuscular EMG methods, offering precautions for accurate muscle activity recording and interpretation.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Delayed-onset muscle soreness in human masticatory muscles increases inhibitory jaw reflex responses.

Journal of oral rehabilitation·2018
Same author

Tonic activity of the human temporalis muscle at mandibular rest position.

Archives of oral biology·2015
Same author

Jaw tremor as a physiological biomarker of bruxism.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2014
Same author

Reflex responses of human masseter motor units to mechanical stimulation of the teeth.

Journal of neurophysiology·2013
Same author

Estimates of EPSP amplitude based on changes in motoneuron discharge rate and probability.

Experimental brain research·2010
Same author

Properties of synaptic noise in tonically active human motoneurons.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2010

Area of Science:

  • Neurology
  • Biomedical Engineering
  • Physiology

Background:

  • Electromyography (EMG) is crucial for assessing neuromuscular disorders.
  • Accurate EMG data recording and interpretation are vital for diagnosis.
  • Signal contamination and artifacts pose significant challenges in EMG analysis.

Purpose of the Study:

  • To review common problems in electromyography (EMG) data acquisition and interpretation.
  • To compare the advantages and disadvantages of surface and intramuscular EMG techniques.
  • To outline precautions for reliable EMG signal recording.

Main Methods:

  • Comparative analysis of surface electromyography (sEMG) and intramuscular EMG (iEMG).
  • Discussion of various sources of signal interference and artifacts.
  • Review of best practices for electrode placement and signal filtering.

Main Results:

  • EMG recordings can be compromised by electrical, mechanical, and stimulus artifacts, as well as crosstalk from adjacent muscles.
  • Surface EMG is generally more prone to artifacts than intramuscular EMG.
  • Intramuscular EMG is often preferred for deep or small muscles, while surface EMG can be effective for superficial muscles with proper techniques.

Conclusions:

  • Careful attention to recording techniques and artifact management is essential for valid EMG results.
  • Both surface and intramuscular EMG have distinct applications and limitations.
  • Adherence to recommended precautions enhances the diagnostic utility of EMG studies.

Related Experiment Videos