Inclusion Criteria1. Chronic stroke>6months
2. Age : 20-75 y
3. Able to walk independently over 30 mins (with or without orthosis)
4. Able to use stationary bike
Exclusion Criteria1. Physiological condition not stable, cognitive dysfunction, not able to coordinate with examine or treatments.
2. Not able to exercise due to severe cardiopulmonary dysfunction
3. Malnutrition (MNA<11)