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

Stride frequency and ventilation at constant carbon dioxide output.

M J Berry, D W Bacharach, T Moritani

    British Journal of Sports Medicine
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    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

    A selenomethionine deficient, high-fructose diet does not lead to cardiometabolic disorder in the selenocysteine lyase knockout mice.

    Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS)·2025
    Same author

    Prognostic Factors of Stroke-Like Migraine Attacks after Radiation Therapy (SMART) Syndrome.

    AJNR. American journal of neuroradiology·2022
    Same author

    Pretreatment ADC Histogram Analysis as a Prognostic Imaging Biomarker for Patients with Recurrent Glioblastoma Treated with Bevacizumab: A Systematic Review and Meta-analysis.

    AJNR. American journal of neuroradiology·2022
    Same author

    Diagnostic Role of Diffusion-Weighted and Dynamic Contrast-Enhanced Perfusion MR Imaging in Paragangliomas and Schwannomas in the Head and Neck.

    AJNR. American journal of neuroradiology·2021
    Same author

    Assessment of MR Imaging and CT in Differentiating Hereditary and Nonhereditary Paragangliomas.

    AJNR. American journal of neuroradiology·2021
    Same author

    MRI Findings of Immune Checkpoint Inhibitor-Induced Hypophysitis: Possible Association with Fibrosis.

    AJNR. American journal of neuroradiology·2020

    Ventilation (VE) is closely linked to the body's metabolic state, not stride frequency. This study found similar ventilation levels during walking and running despite different stride frequencies but comparable carbon dioxide production (VCO2).

    Area of Science:

    • Exercise Physiology
    • Respiratory Physiology

    Background:

    • Understanding the relationship between physical activity, metabolic rate, and respiratory control is crucial for exercise science.
    • Stride frequency is a key variable in locomotion, but its direct impact on ventilation at matched metabolic loads requires clarification.

    Purpose of the Study:

    • To investigate the effects of two distinct stride frequencies on ventilation (VE) while maintaining similar levels of carbon dioxide production (VCO2).
    • To compare the dynamic responses of oxygen consumption, VE, and VCO2 between walking and running conditions.

    Main Methods:

    • Eleven male subjects underwent two treadmill tests: walking at 5 km/hr on a 15% grade and running at 9 km/hr on a 0% grade.
    • Measurements included ventilation (VE) and carbon dioxide production (VCO2) to assess metabolic and respiratory responses.

    Related Experiment Videos

  • Time constants for oxygen consumption, VE, and VCO2 were calculated to analyze dynamic responses.

    • Main Results:

    • Running significantly increased stride frequency by 47% compared to walking.
    • No significant differences were observed in carbon dioxide production (VCO2) between the walking (1.9 L/min) and running (1.85 L/min) conditions.
    • Ventilation (VE) levels were also similar between walking (43.26 L/min) and running (43.73 L/min), with no significant differences.
    • Time constants for VCO2 and VE did not differ significantly between the two exercise conditions.

    Conclusions:

    • Ventilation (VE) is primarily regulated by the metabolic state (indicated by VCO2) rather than stride frequency.
    • The close coupling of VE and VCO2 during the non-steady state suggests ventilation is tightly linked to metabolic demands.
    • These findings highlight the metabolic control of breathing during different modes of locomotion.