Diaphragmatic Breathing This is a basic and simple breathing technique that maximizes air distribution in your lungs. 1. You can lie down or sit. 2. Concentrate on your breathing 3. Preferably you should breathe in slowly through your nose 4. When you inhale your abdomen should go out (not your chest) 5. Exhale slowly with your abdomen going inward 6. Ideally exhalation should be twice as long as inhalation   Source: Breathing Exercises to Control Asthma Buteyko Breathing ... Read More