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

Proprioception during voluntary movement.

A Prochazka

    Canadian Journal of Physiology and Pharmacology
    |April 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Proprioceptive afferents, including muscle spindle (Ia and II) and skin afferents, show distinct firing patterns during movement. Fusimotor activation is crucial for movement control and preparation, with specific responses observed during active contractions and stretches.

    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

    Proton Distribution Radii of ^{16-24}O: Signatures of New Shell Closures and Neutron Skin.

    Physical review letters·2022
    Same author

    Two-Neutron Halo is Unveiled in ^{29}F.

    Physical review letters·2020
    Same author

    Evidence for a New Compact Symmetric Fission Mode in Light Thorium Isotopes.

    Physical review letters·2020
    Same author

    Swelling of Doubly Magic ^{48}Ca Core in Ca Isotopes beyond N=28.

    Physical review letters·2020
    Same author

    Towards the Limits of Existence of Nuclear Structure: Observation and First Spectroscopy of the Isotope ^{31}K by Measuring Its Three-Proton Decay.

    Physical review letters·2019
    Same author

    Permutation Entropy and Signal Energy Increase the Accuracy of Neuropathic Change Detection in Needle EMG.

    Computational intelligence and neuroscience·2018
    Same journal

    Next-generation therapeutics and renaissance of legacy drugs targeting the endothelin system.

    Canadian journal of physiology and pharmacology·2026
    Same journal

    Exploring the causal relationship between inflammatory cytokines and diabetic foot ulcer: A bidirectional Mendelian randomization and clinical validation study.

    Canadian journal of physiology and pharmacology·2026
    Same journal

    TRPV1, Endocannabinoid, and Opioid Systems in Analgesia: Molecular Mechanisms and Drug Development Strategies.

    Canadian journal of physiology and pharmacology·2026
    Same journal

    Association of stromal cell derived factor 1α and interferon-γ induced protein 10 with Fontan pathophysiology.

    Canadian journal of physiology and pharmacology·2026
    Same journal

    Incretins for Type 2 Diabetes.

    Canadian journal of physiology and pharmacology·2026
    Same journal

    Glucagon-like peptide 1 receptor agonists: anti-inflammatory effects in cardiovascular diseases.

    Canadian journal of physiology and pharmacology·2026
    See all related articles

    Area of Science:

    • Neuroscience
    • Motor Control
    • Proprioception

    Background:

    • Decades of research have gathered data on afferent fiber firing during movement in various species.
    • Discrepancies exist regarding fusimotor action's modification of muscle spindle afferent responses (Ia and II).
    • Key proprioceptive characteristics are consistently observed across laboratories, despite ongoing debates.

    Purpose of the Study:

    • To review and synthesize current understanding of proprioceptive afferent firing during movement.
    • To highlight consistent findings on muscle spindle and skin afferent behavior.
    • To address controversies surrounding fusimotor control mechanisms.

    Main Methods:

    • Analysis of single afferent fiber recordings from muscle and skin.

    Related Experiment Videos

  • Studies conducted in awake cats, monkeys, and human subjects during various movements.
  • Comparison of afferent firing patterns during rest, active movements, and imposed stretches.

    • Main Results:

    • Mean Ia firing rates are higher during active movements than at rest, indicating fusimotor system activation for movement.
    • During fast, unloaded movements, Ia and II afferents increase firing during lengthening and decrease during shortening.
    • Ib afferents consistently fire during muscle shortening, even rapid ones.
    • Ia firing during powerful shortening suggests alpha-gamma coactivation.
    • Ia afferents exhibit segmented firing during fast stretches, unlike Ib afferents.

    Conclusions:

    • Fusimotor activation is primarily for movement control and preparation.
    • Distinct firing patterns of Ia, II, and Ib afferents provide insights into motor control and proprioception.
    • Consistent findings across studies underscore the importance of these proprioceptive signals.