Clinical Research Directory

Inclusion Criteria for Chronic Obstructive Pulmonary Disease Group; * Being between the ages of 45 and 80, * Being literate, * Willing to participate in the study, * Having COPD classified as stage 1-2-3-4 according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) system, * Being clinically stable for the past 4 weeks. Exclusion Criteria for Chronic Obstructive Pulmonary Disease Group; * Having a history of lung cancer, sarcoidosis, tuberculosis, and/or lung surgery, * Having any neurological, neuromuscular, vestibular, or cardiac disease that could affect the measurements, * Receiving long-term oxygen therapy.