Exercises are for diaphragm.

As for lungs emphysema for adding an oxygen in organism, for breathe muscles are hard working with twice force, therefore an importance to do exercises for a normal work for muscles,as for train a diaphragm, which dividing are  breast and peritoneum cavity, as diaphragm training with a poses are lie and stay.
As standing up with widened legs, hands to sides, doing breathe in, after transferring hands to front, and incline down, slowly breathe out, stretching are belly s muscles.
A lie on spine, hands are on belly, and doing prolong breathe out, blowing up an air with mouth, and on this time to press on front peritoneum wall, raising breathe out.

A put right breathe will help a following exercises as doing a slowly full breathe in, for short time delay air, and short strong pushes breathe out through lips, are rolled,like tube, do not blow cheeks, and such breathe will allow for phlegm secretion.
Doing full breathe in, as on begin delay his, after with one force as push out through  opening mouth, closing  on an ending breathe out, repeat exercise for three times.

Full breathe in , delay air for a few sec, and right now stretch out relaxed hands to front, after squeeze fingers till fists, as loading are raising till limit, are fists moving to shoulders, and after with force, like push out from a wall, hands are dividing to sides and faster returning wrists to shoulders,as repeating a last moves for three times,and after relaxing, with force to breathe out through mouth.After repeat a first exercise.
As with fight a breathe bad will help a yoga s exercises as within 12 sec doing breathe in, after for 48 sec delay breathe and breathe out through air for 24 sec, as better this exercise doing for three times in a row.