If you practice mindful breathing even just for a few minutes, this can help ease some of your pain.
The book, Every Breath You Take: How To Breath Your Way To A Mindful Life by Rose Elliot’s has all the techniques to help you practice the way to breath better.
Rose will help you observe and open your awareness to your breathing with 16 accessible mindful breathing exercises like how to sit quietly with your spine straight and your eyes closed. How to sit quietly, concentrating on one mindful breath after another. Feel peace and strength that this brings abc realise that, in this moment, all is well.
The Buddhist Centre explains that the simple discipline of concentration brings us back to the present moment and all the richness of experience that it contains. It is a way to develop mindfulness, the faculty of alert and sensitive awareness.