A randomized clinical trial will be conducted at Gulab Devi Hospital, Lahore through convenience sampling technique on 48 patients which will be allocated through simple random sampling through sealed enveloped into group A and group B. Pre-treatment values of patients exercise capacity will be recorded by 6MWT/6MWD- 6 minute walk test/ 6 minutes' walk distance and patients quality of life through St George respiratory questionnaire as primary outcomes while oxygen saturation, heart rate will be measured by pulse oximtery during 6MWT as secondary outcomes. Group A will be treated with manual chest physical therapy and Buteyko breathing technique Group-B will be treated with manual chest physical therapy and Diaphragmatic breathing technique. Patients will perform the technique 5 times a weeks for 8weeks and treatment evaluation will be done after 8 weeks.
Data will be analyzed using SPSS software version 25.After assessing normality of data by Shapiro-Wilk test , it will be decidedeither parametric or non-parametric test will be used.
