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 new model for calculating muscle forces from electromyograms.

L J van Ruijven1, W A Weijs

  • 1Department of Functional Anatomy, Academic Centre for Dentistry Amsterdam, The Netherlands.

European Journal of Applied Physiology and Occupational Physiology
|January 1, 1990
PubMed
Summary

This study presents a muscle model using electromyogram (EMG) and physiological parameters to predict muscle force. The model accurately predicted rabbit jaw bite force, demonstrating its effectiveness in biomechanical applications.

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

MicroCT study on the enamel mineral density of primary molars.

European journal of paediatric dentistry·2016
Same author

Long-term vitamin D deficiency in older adult C57BL/6 mice does not affect bone structure, remodeling and mineralization.

The Journal of steroid biochemistry and molecular biology·2015
Same author

Teriparatide and the treatment of bisphosphonate-related osteonecrosis of the jaw: a rat model.

Dento maxillo facial radiology·2013
Same author

Mineral content in teeth with deciduous molar hypomineralisation (DMH).

Journal of dentistry·2013
Same author

Demineralized bone matrix and platelet-rich plasma do not improve healing of osteochondral defects of the talus: an experimental goat study.

Osteoarthritis and cartilage·2013
Same author

Variation of the mineral density in cortical bone may serve to keep strain amplitudes within a physiological range.

Bone·2013

Area of Science:

  • Biomechanics
  • Muscle Physiology
  • Computational Modeling

Background:

  • Accurate prediction of muscle force is crucial for understanding biomechanical systems.
  • Existing models often require complex parameterization.
  • Electromyogram (EMG) signals offer a potential input for muscle force estimation.

Purpose of the Study:

  • To develop and validate a novel muscle model for predicting muscle force.
  • To incorporate physiological parameters like Hill constants and twitch response.
  • To test the model's efficacy in predicting jaw bite force in rabbits.

Main Methods:

  • Developed a muscle model utilizing electromyogram (EMG), muscle length, and contraction speed.
  • Incorporated physiological parameters: Hill constants and single stimulus twitch response shape.

Related Experiment Videos

  • Integrated the model into a rabbit jaw model and validated against in vivo bite force measurements using a strain gauge.

    • Main Results:

    • The model's predicted force time course closely matched in vivo measured bite force.
    • Peak strain amplitude variations correlated with model predictions.
    • Correlation between integrated EMGs and peak strain improved from 0.41 to 0.46 (weighted sum) and 0.57 (model predicted force).

    Conclusions:

    • The developed muscle model effectively predicts muscle force using readily obtainable physiological constants.
    • The model shows significant potential for applications in biomechanics and understanding masticatory function.
    • This approach offers a simplified yet accurate method for muscle force calculation.