What is HIIT? Unlock the secret to max fat burn

HIIT (high-intensity interval training) is a form of exercise that alternates between periods of intense exercise and short rest. The principle behind HIIT is the "exercise + short rest" mode, where you engage in high-intensity exercises followed by brief recovery periods in a cyclical manner. This approach can effectively burn calories in a short amount of time. HIIT can elevate your heart rate to 80% of its maximum, strengthen cardiovascular function, and promote fat loss and weight reduction. It is recommended that you avoid high-intensity exercise during the fasting phase. Ensure that your mental and muscular condition is relatively good before attempting HIIT. If you feel unwell, stop immediately and avoid pushing your body too hard.