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Maximum oxygen uptake utilising different treadmill protocols.

B Davies, A Daggett, P Jakeman

    British Journal of Sports Medicine
    |June 1, 1984
    PubMed
    Summary
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    This study found no significant differences in maximum oxygen uptake across five treadmill protocols. However, one specific protocol impacted time to exhaustion and maximum blood lactate levels.

    Area of Science:

    • Exercise Physiology
    • Sports Science

    Background:

    • Treadmill protocols are widely used to assess cardiorespiratory fitness.
    • Variations in treadmill design and protocol parameters may influence physiological responses.
    • Understanding these influences is crucial for accurate maximal oxygen uptake (VO2 max) determination.

    Purpose of the Study:

    • To compare the effects of five different treadmill protocols on maximal oxygen uptake.
    • To investigate differences in other key exercise performance indicators, including ventilation, heart rate, and blood lactate levels.

    Main Methods:

    • Five treadmill protocols (four motorized, one non-motorized) were evaluated.
    • Five male and five female trained subjects underwent random testing.
    • Key physiological variables including maximal oxygen uptake, ventilation, heart rate, and blood lactate were measured.

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    Main Results:

    • No significant differences were found between protocols for maximal oxygen uptake, maximum ventilation, or maximum heart rate.
    • A specific 3' protocol with 1.5% incline increments showed significant differences in time to exhaustion and maximum blood lactate levels compared to other protocols.
    • The chosen protocols did not substantially affect the maximal oxygen uptake achieved by the participants.

    Conclusions:

    • Treadmill protocol selection appears to have minimal impact on the maximal oxygen uptake achieved in trained individuals.
    • Specific protocols can influence exercise duration and blood lactate accumulation, suggesting a need for careful protocol selection when these factors are of primary interest.