Pursed - lip breathing helps prevent shortness of breath. It helps you empty your lungs fully when you breathe out. The more air you breathe out, the more air you can breathe in. Practice the steps below. That way you will know how to do pursed - lip breathing when you need it.
1. Relax your neck and shoulders
2. Breath in slowly through your nose for 2 counts
1. Pucker your lips as if you are going to blow out a candle 2. Breathe out slowly and gently through your lips for 4 counts
Remember: Always breathe out for longer than you breathe in. Never hold your breath between breathing in and breathing out.