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 simple method for measuring oxygen uptake on a single breath basis

A Veicsteinas, M Gussoni

    European Journal of Applied Physiology and Occupational Physiology
    |January 1, 1980
    PubMed
    Summary

    This study introduces a simple method for measuring oxygen uptake (VO2) breath-by-breath using an open circuit system. The technique accurately captures gas exchange kinetics during exercise, proving suitable for exercise physiology research.

    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

    Effects of acute and sub-acute hypobaric hypoxia on oxidative stress: a field study in the Alps.

    European journal of applied physiology·2020
    Same author

    Anthropometric and physiologic profiles of female professional yoga practitioners and energy expenditure during asanas execution.

    The Journal of sports medicine and physical fitness·2015
    Same author

    Cardiovascular adaptation to mudpack therapy in hypertensive subjects treated with different antihypertensive drugs.

    European review for medical and pharmacological sciences·2014
    Same author

    Effects of a 25-km trial on psychological, physiological and stroke characteristics of short- and mid-distance swimmers.

    The Journal of sports medicine and physical fitness·2014
    Same author

    Polymorphisms of alpha-actinin-3 and ciliary neurotrophic factor in national-level Italian athletes.

    Panminerva medica·2013
    Same author

    Moderate exercise training induces ROS-related adaptations to skeletal muscles.

    International journal of sports medicine·2013

    Area of Science:

    • Physiology
    • Exercise Physiology
    • Respiratory Physiology

    Background:

    • Accurate measurement of oxygen uptake (VO2) is crucial for understanding exercise physiology.
    • Conventional methods for breath-by-breath VO2 analysis can be complex and have limitations.

    Purpose of the Study:

    • To describe a simple and effective method for calculating breath-by-breath oxygen uptake (VO2).
    • To validate this new method against standard open circuit techniques.
    • To assess the suitability of the method for analyzing VO2 kinetics during exercise.

    Main Methods:

    • A novel open circuit system collects expiratory volume in a collapsible bag.
    • Expired gas composition is analyzed using a fast O2 and CO2 analyzer.
    • Solenoid valves and a vacuum pump manage gas flow for breath-by-breath analysis.

    Related Experiment Videos

    Main Results:

    • The method accurately measures VO2, with steady-state values comparable to standard methods (average ratio = 1.01).
    • The system can accommodate high ventilation (up to 150 l/min ATPS) and respiratory rates (up to 60/min).
    • Minimal dead space (approx. 70 ml) enhances accuracy for rapid VO2 changes.

    Conclusions:

    • This simple breath-by-breath VO2 measurement method is reliable and validated.
    • Its design is particularly advantageous for studying VO2 kinetics during the onset and offset of exercise.
    • The method offers a practical tool for exercise physiology research and clinical applications.