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    Physical Education A-Level

    Sodium bicarbonate

    What Sodium bicarbonate means in Physical Education A-Level, as defined for AQA.

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    Reference: AQA

    Acts as a buffer, neutralising hydrogen ions that lower muscle pH during high-intensity work, so it can delay fatigue in events lasting roughly one to several minutes.
    AQA · Diet and nutrition and their effect on physical activity and performance (study guide)
    Buffers lactic acid to delay fatigue in anaerobic activities, though it often causes gastrointestinal upset.
    AQA · Diet and nutrition and their effect on physical activity and performance (study guide)

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