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 30-day forearm work protocol increases maximal forearm blood flow.

L I Sinoway, J Shenberger, J Wilson

    Journal of Applied Physiology (Bethesda, Md. : 1985)
    |March 1, 1987
    PubMed
    Summary

    Chronic handgrip exercise increased forearm blood flow and vasodilation, demonstrating the vascular system

    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

    SU-D-BRCD-06: Measurement of Elekta Electron Energy Spectra Using a Small Magnetic Spectrometer.

    Medical physics·2017
    Same author

    The impact of psychosis on the course of cognition: a prospective, nested case-control study in individuals at clinical high-risk for psychosis.

    Psychological medicine·2015
    Same author

    Effect of rurality on screening for breast cancer: a systematic review and meta-analysis comparing mammography.

    Rural and remote health·2014
    Same author

    Organ donation following the circulatory determination of death (DCD): an audit of donation and outcomes following renal transplantation.

    Irish medical journal·2014
    Same author

    Paediatric forearm fractures in the west of Scotland.

    Scottish medical journal·2012
    Same author

    Prospective study of cannabis use in adolescents at clinical high risk for psychosis: impact on conversion to psychosis and functional outcome.

    Psychological medicine·2012

    Area of Science:

    • Physiology
    • Exercise Science
    • Vascular Biology

    Background:

    • Localized skeletal muscle work can induce circulatory adaptations.
    • Understanding these adaptations is key to comprehending exercise physiology.

    Purpose of the Study:

    • To investigate local circulatory changes following chronic localized forearm exercise.
    • To assess the impact of a handgrip protocol on blood flow and vasodilation.

    Main Methods:

    • A 4-week handgrip exercise protocol was implemented in normal subjects.
    • Maximal forearm work-related blood flow and reactive hyperemic blood flow (RHBF) were measured.
    • Vascular resistance and maximal oxygen consumption (VO2max) were also evaluated.

    Main Results:

    Related Experiment Videos

    • Work-related blood flow increased significantly post-training (22.4 to 32.1 ml x min-1 x 100 ml-1).
    • Reactive hyperemic blood flow (RHBF) rose by 30% in the exercised forearm, indicating enhanced vasodilation.
    • Minimal vascular resistance decreased in the exercised limb, while VO2max remained unchanged.

    Conclusions:

    • Localized skeletal muscle exercise induces localized increases in vasodilation.
    • The vascular system plays an integral role in the training adaptation process.
    • These findings highlight the plasticity of the local circulatory system in response to chronic exercise.