RPE Association with Lactate and Heart Rate during High-Intensity Interval Cycling

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Population

12 subjects

Authors

Discussion

RPE may guide HIIT intensity better than lactate in athletes; leaves open validation in clinical populations.

Population

12 subjects

Intervention

Five 2-min intervals of high-intensity cycling at >4 mmol x L(-1) workload, separated by 3 min of recovery

Outcome

Correspondence between Rating of Perceived Exertion (RPE), Heart Rate (HR), and blood lactate concentration ([La])surrogate

During high-intensity interval cycling, perceived exertion is more closely coupled with heart rate than with blood lactate concentration.

Green et al. (2005) studied this question.

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