O2 Transport and Utilization in Health and Lung Disease

Inclusion Criteria

• •All subjects must be between the age of 18 and 85 years;
• •For the COPD cohort, patients with a diagnosis of stable COPD (i.e., those not experiencing an acute exacerbation of symptoms) and spirometric evidence of airway obstruction (FEV1 \<80% predicted, FEV/FVC\<0.70);
• •Ability to perform motor tests;
• •Ability to provide informed consent