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    Physical Education A-Level

    Lactate and fatigue

    What Lactate and fatigue means in Physical Education A-Level, as defined for AQA.

    Definition of Lactate and fatigue

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    When pyruvate is converted to lactate, hydrogen ions accumulate and contribute to fatigue, limiting the system to roughly ten seconds to about two minutes of maximal work.
    AQA · Energy systems (study guide)

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