Best breathing excerise for c.o.p.d?

i have copd and asthma, i would loike to fine some excerise for my lungs. hope someone have some answersBest breathing excerise for c.o.p.d?
Pilates, always breath within slowly through your nose, right to the bottom of the lungs, expand the chest, shoulders spinal column and then SLOWLY out through the mouth as if whistle. Thirty minutes of this will improve your lung function. One month following move onto blowing up balloons. You might want to try taking omega 3 oil as well.
my booklet say to use Pursed-Lip Breathing
1 relax your neck & shoulder muscles
2. Breath within (inhale slowing through nose for 2 counts, keeping your mouth closed, not a low, but rather typical breath, it may help to count to yourself inhale, 1,2
3. Pucker up or purse your lipss as if you be going to whistle
4. Breath our(exhale slowly & gently through your pursed chops while counting to 4, it may help to count to yourself.
nearby are other's like the Diaphragmatic breathing & Forceful coughing, if you move about to any of these sites(below they will send you a booklet -free- to better breathing.~ best wishes
Pursed lip breathing. Slowly inhale through the antenna. Exhale slowly through the mouth with your orifice puckered as if you are going to kiss.