Cerebral oxygenation decreases but does not impair performance during self‐paced, strenuous exercise

Aim:  The reduction in cerebral oxygenation (Cox) is associated with the cessation of exercise during constant work rate and incremental tests to exhaustion. Yet in exercises of this nature, ecological validity is limited due to work rate being either fully or partly dictated by the protocol, and it is unknown whether cerebral deoxygenation also occurs during self‐paced exercise. Here, we investigated the cerebral haemodynamics during a 5‐km running time trial in trained runners.

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