Inclusion Criteria:  Individuals diagnosed with chronic obstructive pulmonary disease Be between the ages of 40-75 No medication changes due to acute exacerbation for at least three weeks Be stable Volunteering to participate in research To cooperate Patients with written consent form Healthy individuals in a similar age range without a diagnosed disease and symptoms will be included  Exclusion Criteria:  Those with a history of chronic obstructive pulmonary disease exacerbations Individuals with orthopedic disease Individuals with neurological disease Individuals with other co-existing lung and systemic diseases other than chronic obstructive pulmonary disease Those who have had major surgery in the past few months Individuals with a history of recurrent significant clinical infections Have cognitive problems Having had unstable angina, Previous Myocardial Infarction Individuals with severe congestive heart failure refractory to medical therapy, individuals with uncontrolled hypertension Individuals with cancer