Inclusion Criteria:  Participants were diagnosed as COPD The intervention PLB Combine with DB Stable COPD Patients (Mild and Moderate on GOLD criteria) Global Initiative for Chronic Obstructive Lung Disease (GOLD)  Exclusion Criteria:  Patients with other Pulmonary diseases. cardiovascular, neurological and orthopedic diseases Obesity, history of recent exacerbation Uncontrolled arterial hypertension Any surgical complications Patients with ventilatory support