Why the study?
Does an exhaustive 400 m sprint compared to a 300 m sprint delay postexercise parasympathetic reactivation in long-sprint runners?
Does an exhaustive 400 m sprint compared to a 300 m sprint delay postexercise parasympathetic reactivation in long-sprint runners?
Fatigue, rather than metabolic stress, appears to explain the delayed postexercise parasympathetic reactivation following supramaximal exercise.
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Fatigue may prolong parasympathetic reactivation after longer supramaximal sprints in athletes; leaves open relevance to clinical populations or training.
Leprêtre et al. (2012) studied this question.
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