BACKGROUND: Limited evidence supports the effects of short-interval high-intensity interval training (HIIT) for improving cardiorespiratory fitness (V̇O2peak) after stroke. We aimed to compare the effects of 12 weeks of short-interval HIIT versus moderate-intensity continuous training (MICT) on V̇O2 peak, cardiovascular risk factors, and Mobility outcomes among individuals ≥6 months post-stroke.

CONCLUSION: Given that a lack of time is a significant barrier to the implementation of aerobic exercise in stroke clinical practice, 17 our findings suggest that short-interval HIIT may be an effective alternative to traditional MICT for improving V̇O2 peak after stroke, with potential clinically meaningful benefits sustained in the short-term.