 At least 70 participants with chronic spastic hemiplegic stroke will be recruited and randomly assigned to either condensed or distributed RT groups post BoNT-A injection. Each training session included 40 minutes RT, followed by 40-minute functional training. The condensed group will receive 4 sessions per week, for 6 weeks, the distributed group 2 sessions per week, for 12 weeks. Body function and structures outcome measures include Fugl-Meyer Assessment, Modified Ashworth Scale, myometer Myoton-3, actigraph. Activity and participation measures include Wolf Motor Function Test, Ten meter walk test, Motor Activity Log, Nottingham Extended Activities of Daily Living Scale, and Canadian Occupational Performance Measure. In addition, to directly reflect a patients unique needs and goals, Goal Attainment Scaling will be assessed. Evaluators will be blind to group allocation. The outcome will be measured at pre-treatment, post-treatment, and 6-week follow-up. The investigators will also use the movement time of robot without powered assistance and surface EMG to determine the motor learning processes of patients receiving the two practice frequencies of RT. 