Mind-Body Exercise for COPD: A Pilot Study

Inclusion Criteria: * physician diagnosis of COPD * FEV1\<65% of predicted and FEV1/FVC\<0.70 * ≥45 years old Exclusion Criteria: * COPD exacerbation requiring ER visit or hospitalization within past month * planned major pulmonary intervention in coming 3 months * severe peripheral vascular disease/claudication or other physical condition precluding walk test * inability to perform bicycle ergometry * severe cognitive dysfunction (MMSE ≤ 24) * inability to speak English * current participation in a pulmonary rehabilitation or regular practice of tai chi