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

A microvolt calibrator for EMG systems.

M P Bolton1

  • 1Clinical Engineering, Withington Hospital, Manchester, UK.

Journal of Medical Engineering & Technology
|October 17, 2001
PubMed
Summary
This summary is machine-generated.

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

Real time measurement of RR intervals using a digital signal processor.

Journal of medical engineering & technology·2005
Same author

A device for 24 hour ambulatory monitoring of abdominal girth using inductive plethysmography.

Physiological measurement·2002
Same author

Technical note: a compact data logger for ambulatory skin temperature measurement.

Journal of medical engineering & technology·2002
Same author

Measurement characteristics of the Women's Health Initiative food frequency questionnaire.

Annals of epidemiology·1999
Same author

Sources of error in bioimpedance spectroscopy.

Physiological measurement·1998
Same author

A battery-powered constant current stimulator for motor end-point detection.

Medical engineering & physics·1998
Same journal

News and Product Update.

Journal of medical engineering & technology·2026
Same journal

PMMA based ultra miniaturized implantable antenna for biotelemetry applications.

Journal of medical engineering & technology·2026
Same journal

Comparative machine learning for accurate EEG-based epileptic seizure state classification using sub-band analysis.

Journal of medical engineering & technology·2026
Same journal

Genetic algorithm-optimized machine learning approaches for EEG-based silent speech decoding.

Journal of medical engineering & technology·2026
Same journal

Power transition signatures of vibroarthrographic spectrograms for diagnosing knee joint pathologies.

Journal of medical engineering & technology·2026
Same journal

News and product update.

Journal of medical engineering & technology·2026
See all related articles

Accurate calibration of electromyographic (EMG) recording equipment is challenging at low signal levels. This study introduces a battery-operated calibrator designed for precise low-level EMG measurements in bio-feedback and stress management applications.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Physiology

Background:

  • Electromyographic (EMG) signals exhibit a wide dynamic range, from hundreds of microvolts during voluntary contractions to below one microvolt during resting activity.
  • Accurate calibration of EMG recording equipment is critical for reliable data acquisition, especially at low signal amplitudes.
  • Existing calibration methods may face challenges when dealing with the extremely low signal levels characteristic of resting or minimally active muscle states.

Purpose of the Study:

  • To design and develop a portable, battery-operated calibrator specifically for low-level electromyographic (EMG) signal recording.
  • To address the calibration difficulties associated with microvolt-level EMG signals encountered in specific applications.
  • To provide a practical tool for enhancing the accuracy of EMG measurements in bio-feedback and stress management.

Related Experiment Videos

Main Methods:

  • Development of a custom-designed, battery-powered electronic circuit for generating precise, low-level voltage signals.
  • Integration of the signal generation circuitry into a compact and portable device.
  • Testing and validation of the calibrator's accuracy and stability across a range of microvolt-level outputs.

Main Results:

  • Successful design and construction of a functional battery-operated calibrator for low-level EMG signals.
  • Demonstration of the calibrator's ability to generate stable and accurate signals in the microvolt range.
  • The device provides a practical solution for calibrating EMG equipment used in sensitive applications.

Conclusions:

  • The developed battery-operated calibrator effectively addresses the challenge of calibrating EMG equipment at low signal levels.
  • This tool is particularly useful for applications like bio-feedback and stress management, where precise measurement of subtle EMG activity is essential.
  • The portable design enhances its utility for field or clinical use, improving the reliability of low-level EMG data.