Chen-style Tai Chi in Pulmonary Rehabilitation for Chronic Obstructive Pulmonary Disease

Exclusion Criteria

• •Patients with very severe COPD (GOLD IV);
• •Patients that had a COPD exacerbations within the preceding 2 weeks of the baseline assessments;
• •Significant hypoxemia at rest or during exercise (SpO2 \<85%);
• •Already following a rehabilitation program;
• •Have physical limitations that compromises participation to a Tai chi and a conventional exercise program