Objective:To evaluate the effects of reach training with Arm Rehabilitation Robot on functions and daily use of hemiplegic upper limbs. The robot utilized computer controlled Motor-load-relieving and facilitation functions using electrical/vibratory stimulation (AR
2 robot). Subjects:The sample consisted of 15 stroke patients (age:61±12 years, time after onset:76±22 days, Brunnstrom Recovery Stage:upper limb Ⅲ to Ⅴ, hand Ⅲ to Ⅵ, affected side:right 8/left 7, left handed 1). They were selected from stroke patients who were admitted to our rehabilitation center between 2016 and 2018. Method:A crossover design (A1-B-A2:A, reach training with AR
2 robot for 15 min, B, reach training with sanding block for 15 min) across individuals was used. Basic rehabilitation included the repetitive facilitative exercise (RFE) for hemiplegia and task-specific training with Transfer package. Fugl-Mayer Assessment (FMA) for upper limb and hand, Motor Activity Log (MAL), Amount of Use (AOU), and Quality of Movement (QOM) were evaluated at 2-week intervals. Results:Except for the second AR
2 robot reach, significant improvements in FMA of upper limb and hand were seen after the first AR
2 robot reach and SB reach, and some improvements of MAL (AOU and QOM) were seen in the second AR
2 reach. Regarding MAL (AOU and QOM), improvements were associated with AR
2 reach, and deteriorations were associated with sanding block reach in patients with failure of the dominant hand. Conclusions:AR
2 robot reach might be effective to improve everyday use of hemiplegic upper limbs.
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