| Effect of robot-assisted training on motor function and activity ability of hemiplegic upper limb and the possible mechanism |
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| DOI： |
| EN KeyWords: robot-assisted treatment VR training stroke motor function activity ability sEMG |
| Fund Project:广州医科大学附属第二医院新技术临床研究与应用基金（2017-XJS-E-14） |
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| EN Abstract: |
| Objective: To confirm the effect of virtual reality technology assisted by upper limb rehabilitation robots on the rehabilitation of motor function and motor ability of upper limbs during stroke recovery, and to further explore the related mechanism by analyzing the surface electromyographic activity of related muscle groups during functional activities of upper limbs. Methods: Forty stroke patients were randomly divided into experimental group and control group, with 20 in each group. The experimental group received robot-assisted training combined with virtual reality games. The control group received conventional occupational therapy. Before and after treatment, the upper extremity portion of the Fugl Meyer assessment (FMA), Modified Barthel index (MBI) and Motor activity log (MAL) were performed. The surface electromyogram signals of biceps brachii and triceps brachii were collected during maximum isometric voluntary contraction (MIVC) of elbow joint. Patients in both groups were evaluated with MBI one month after treatment. Results: Two weeks after treatment, the scores of FMA UE and MBI, MAL scores were significantly improved higher in both groups (all P<0.05), and the scores of FMA-UE and MAL were significantly higher in experimental group than in control group (both P<0.05). Significant increases were found in MBI in both groups after one-month follow-up (both P<0.05). The score of MBI was higher in the experimental group than in the control group after one-month follow-up (P<0.05). There was no significant difference in iEMG and RMS between the two groups before and after treatment. Conclusion: Robot-assisted training combined with virtual reality games can effectively improve the motor function and quality of movement of hemiplegia upper limb, and improve the ability of daily life activities. |
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