Afterburn Effect: Calorie expenditure HIIT vs. Steady-State Cardio over 72 hours Afterburn Effect Calorie expenditure over 72 hours post-exercise HIIT (20 min) Steady-State (45 min) Calorie expenditure Workout 0 – 20/45 min 0 – 6 h EPOC Phase 1 6 – 24 h EPOC Phase 2 24 – 72 h EPOC Phase 3 Click a phase for details High Moderate
HIIT
STEADY-STATE