August 13, 2025

Blood Flow Restriction during Rest Periods of High-intensity Interval Training Enhances Endurance Performance: A Randomized Placebo-Controlled Study.

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Randomized trial shows endurance performance improved in BFR + HIIT group compared to SHAM+HIIT, indicating enhanced aerobic potential.

BFR during rest periods of HIIT significantly increases endurance performance without changing training variables.
Participants using BFR had greater improvements in Wmax (+25.6 W) and time to exhaustion (+61.7 s) compared to SHAM+HIIT.
Similar power outputs and perceived efforts were observed between BFR + HIIT and SHAM+HIIT groups during training.
The findings suggest that BFR enhances aerobic performance but does not impact sprint power or muscular strength.

Chua et al. (2025) studied this question.

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