IRCT2015102224646N1 IRCT 2016-08-10 Nursing School, Mashhad University of Medical Sciences The comparison of effect of incentive abdominal breathing device with normal abdominal breathing on the respiratory condition of chronic obstructive The comparison of effect of incentive abdominal breathing device with normal abdominal breathing on the respiratory condition of chronic obstructive pulmonary disease 2016-05-21 anticipated 70 Complete https://irct.ir/trial/20775 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive. N/A Condition 1: Chronic Obstructive Pulmonary Disease. Condition 2: Chronic Obstructive Pulmonary Disease. Intervention 1: In the experimental group, the incentive abdominal breathing device to the patient's abdomen is closed. Then to 100 times (in 10 steps) to do abdominal breathing. This means that with the expansion of the abdominal muscles, the air inside the plastic tube into the balloon And in between each 10 abdominal breathing, take a minute to do normal breathing. Interventions do 14 days and twice a day in the morning and evening. Intervention 2: In the control group, patients one hand on his/her stomach and put other hand on chest And 100 times (in 10 steps) do abdominal breathing so that the chest have the largest and abdomen have least displacement. Among the 10 abdominal breathing, take a minute to do normal breathing. Interventions do 14 days and twice a day in the morning and evening.