Which workout burns the most calories in 30 minutes?

Original Title

Caloric Expenditure of Aerobic, Resistance, or Combined High-Intensity Interval Training Using a Hydraulic Resistance System in Healthy Men

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Summary

This study tested four types of workouts to see which one makes your body burn the most energy in half an hour.

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Surprising Findings

Resistance training burned the fewest calories—despite being 'strength training.'

Most people assume lifting weights burns a lot of calories. But with long rest periods and eccentric movements, it’s surprisingly low-energy compared to HIIT.

Practical Takeaways

If you have only 30 minutes, do 20s all-out effort / 40s rest on a rower, bike, or burpees—this mimics HRS HIIT and likely burns the most calories.

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