Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
(1) a first ever-stroke≧3 months and less than 2 years, (2) age range between 30 to 80 years, (3) baseline Fugl-Meyer Assessment-Upper Extremity subscale (FMA-UE) between 18 to 56, (4) no excessive muscle spasticity of the affected extremities (Modified Ashworth Scale < 3 at any joints), (5) able to follow examiners' commands and study instructions (Montreal Cognitive Assessment score≧22), and (6) no fracture of upper extremities within the past 3 months, and (7) no participation in any other experimental rehabilitation or drug studies during study period of this project.
Exclusion criteria
(1) acute inflammation and pain, (2) receiving botulinum toxin injections within the past 3 months, and (3) concomitant neurologic, neuromuscular or orthopedic conditions that may interfere with participation in this research.