Breathing exercises can help improve lung function, reduce shortness of breath, and enhance the overall quality of life for those with COPD. Symptoms of COPD • Cough • Shortness of breath • Wheezing • Breathing difficulty • Chest muscle tightness Breathing exercises for COPD patients • Belly breathing • Pursed lip breathing • Box breathing • 4 7 8 technique • Alternative nasal breathing Watch Ms. Sobana of Kauvery Hospital, one of the best Physiotherapists demonstrate these simple breathing techniques to manage COPD symptoms and help you breathe easier.