Which workout burns the most fat in the least time?

Original Title

A comparative analysis of energy expenditure and substrate metabolism in male university students with overweight/obesity: Tabata vs HIIT and MICT

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Summary

Scientists tested three workouts on college guys who are overweight to see which one burns the most fat and calories — even after exercise ends.

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Surprising Findings

A 4-minute workout produced greater fat oxidation than 30 minutes of moderate cardio — even when recovery time was included.

Most people assume longer exercise = more fat burned. This flips that idea: intensity beats duration for metabolic efficiency.

Practical Takeaways

Try a 4-minute Tabata session (8 rounds: 20s max effort, 10s rest) 3–4 times per week to boost fat burning in minimal time.

medium confidence

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