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

Late agonist activation burst (PC) required for optimal head movement: a simulation study.

B Hannaford1, L Stark

  • 1Applied Robotics and Teleoperators Group, California Institute of Technology, Pasadena 91109.

Biological Cybernetics
|January 1, 1987
PubMed
Summary

Achieving the fastest possible single joint movements requires a specific muscle activation pattern. Computer simulations confirm that a three-pulse muscle activation strategy is optimal for time-efficient limb motion.

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

Risk and Protective Factors for Well-being and Barriers to Help-Seeking Among Arab-Speaking MENA Immigrants and Refugees in North America: A Scoping Review.

Global social welfare : research, policy & practice·2025
Same author

How gender- and violence-related norms affect self-esteem among adolescent refugee girls living in Ethiopia.

Global mental health (Cambridge, England)·2018
Same author

Latent class analysis of violence against adolescents and psychosocial outcomes in refugee settings in Uganda and Rwanda.

Global mental health (Cambridge, England)·2017
Same author

The effect of gender norms on the association between violence and hope among girls in the Democratic Republic of the Congo.

Global mental health (Cambridge, England)·2017
Same author

The Effect of Interaction Force Estimation on Performance in Bilateral Teleoperation.

IEEE transactions on haptics·2016
Same author

A recommendation to perform a blood culture before the administration of intravenous antibiotics increased the detection of Staphylococcus aureus bacteremia.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology·2013

Area of Science:

  • Biomechanics
  • Robotics
  • Control Systems Engineering

Background:

  • Single joint movements are fundamental to biological and robotic systems.
  • Optimal movement speed is crucial for efficiency and performance.
  • Muscle activation patterns, specifically agonist and antagonist muscle activity, dictate movement dynamics.

Purpose of the Study:

  • To investigate the relationship between time-optimal movement and muscle activation patterns.
  • To determine the specific muscle activation strategy that produces the fastest possible single joint movements.
  • To validate findings through computational simulations.

Main Methods:

  • Utilized a sixth-order, non-linear model for simulating single joint movements.
  • Conducted extensive computer simulations over one to two weeks.

Related Experiment Videos

  • Explored a multidimensional parameter space to identify optimal control signals.

    • Main Results:

    • Time-optimal single joint movements are characterized by a triphasic (three-pulse) muscle activation pattern.
    • The fastest movements, particularly when precise endpoint control is needed, are achieved with a three-pulse control signal.
    • Simulation results consistently demonstrated the efficacy of the three-pulse strategy.

    Conclusions:

    • A triphasic muscle activation pattern is essential for achieving time-optimal single joint movements.
    • The three-pulse control strategy provides a robust method for generating fast and accurate movements.
    • These findings have implications for designing efficient robotic systems and understanding biological motor control.