Inclusion Criteria- first single stroke at last 24 months before the enrolment,
- absence of ideomotor apraxia, neglect, aphasia interfering with verbal comprehension,
- Functional Independence Measure (FIM) less than 100 points out of 126
- Fugl-Meyer upper extremity (F-M UE) scale score (between 10 and 55).
Exclusion Criteria- fracture,
- major depressive disorders,
- other acquired brain injuries,