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

Simulator for evaluating shoulder motion as a command source for FES grasp restoration systems.

W K Durfee1, T R Mariano, J L Zahradnik

  • 1Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge 02139.

Archives of Physical Medicine and Rehabilitation
|December 1, 1991
PubMed
Summary

A new simulator helps personalize upper limb neural prostheses for quadriplegic patients. It evaluates shoulder control, optimizing device prescription and training for better prosthetic function.

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

Surface EMG as a fatigue indicator during FES-induced isometric muscle contractions.

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

Force field effects on cerebellar Purkinje cell discharge with implications for internal models.

Nature neuroscience·2006
Same author

Neural signals for command control and feedback in functional neuromuscular stimulation: a review.

Journal of rehabilitation research and development·1996
Same author

Design of a controlled-brake orthosis for FES-aided gait.

IEEE transactions on rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·1996
Same author

Reducing muscle fatigue in FES applications by stimulating with N-let pulse trains.

IEEE transactions on bio-medical engineering·1995
Same author

Control of prosthetic gait.

Current opinion in neurobiology·1994

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Rehabilitation Technology

Background:

  • Quadriplegic individuals often face challenges controlling upper limb neural prostheses.
  • Effective command channels are crucial for intuitive and functional prosthetic control.
  • Existing methods for evaluating control strategies may not be sufficiently personalized.

Purpose of the Study:

  • To develop and evaluate a simulator for assessing command channels in upper limb neural prostheses for quadriplegic patients.
  • To investigate shoulder motion as a viable command-channel source.
  • To determine the impact of different control parameters and feedback mechanisms on performance.

Main Methods:

  • Development of a simulator featuring an animated grasping task on a video screen.

Related Experiment Videos

  • Subjects (able-bodied and quadriplegic) controlled an animated hand using their own hand movements.
  • Evaluation of shoulder motion as a command-channel source, analyzing ipsilateral vs. contralateral control.
  • Quantification of performance with and without substitute sensory force-feedback displays.

    • Main Results:

    • Optimal shoulder command-channel parameters were found to be subject-specific.
    • A performance reduction was observed when using ipsilateral compared to contralateral shoulder control.
    • Substitute sensory force-feedback displays significantly enhanced performance.

    Conclusions:

    • The developed simulator is a valuable tool for prescribing and training individuals with quadriplegia on upper limb neural prostheses.
    • Personalized optimization of control parameters is essential for maximizing prosthetic functionality.
    • Integrating sensory feedback mechanisms can substantially improve user performance and experience.