30 Seconds SummaryThe Science of HIIT Cardio
- HIIT (High-Intensity Interval Training) involves short, intense bursts of exercise followed by periods of lower intensity, while LISS (Low-Intensity Steady State) involves sustained, moderate activity.
- HIIT is highly effective in improving exercise capacity by hitting anaerobic and lactate thresholds, leading to better fat loss and metabolic changes.
- Studies show that HIIT can achieve significant fat loss and metabolic health improvements in a fraction of the time needed for traditional steady-state cardio.
- HIIT enhances mitochondrial density in muscles, which improves the body's ability to burn fat and increase muscle mass, making it excellent for fat loss.
- In contrast to LISS, HIIT helps retain muscle mass during calorie deficit diets by mimicking weightlifting movements and activating Type II muscle fibers.
- Although HIIT is superior for fat loss and time efficiency, combining HIIT with LISS might be beneficial due to individual differences in exercise tolerance and specific health conditions.
- Despite its benefits, HIIT might not be suitable for everyone due to its demanding nature and potential for injury.
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Chris and Eric Martinez