The Journal of Korean Academy of Orthopedic Manual Physical Therapy (대한정형도수물리치료학회지)

Korean Academy of Orthopedic Manual Physical Therapy (대한정형도수물리치료학회)
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Effects of Robot-Assisted Arm Training on Muscle Activity of Arm and Weight Bearing in Stroke Patients

로봇-보조 팔 훈련이 뇌졸중 환자의 팔에 근활성도와 체중지지에 미치는 영향

  • Yang, Dae-jung (Dept. of Physical Therapy, College of Health, Sehan University) ;
  • Lee, Yong-seon (Dept. of Physical Therapy, Graduate School of Sehan University)
  • 양대중 (세한대학교 보건대학 물리치료학과) ;
  • 이용선 (세한대학교 대학원 물리치료학과)
  • Received : 2022.03.30
  • Accepted : 2022.04.27
  • Published : 2022.04.30
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Abstract

Background: This study investigated the effect of robot-assisted arm training on muscle activity of arm and weight bearing in stroke patients. Methods: The study subjects were selected 20 stroke patients who met the selection criteria. 10 people in the robot-assisted arm training group and 10 people in the task-oriented arm training group were randomly assigned. The experimental group performed robot-assisted arm training, and the control group performed task-oriented arm training for 6 weeks, 5 days a week, 30 minutes a day. The measurement tools included surface electromyography and smart insole system. Data were analyzed using independent sample t-test and the paired sample t-test. Results: Comparing the muscle activity of arm within the group, the experimental group and the control group showed significant differences in muscle activity in the biceps brachii, triceps brachii, anterior deltoid, upper trapezius, middle trapezius, and lower trapezius. Comparing the muscle activity of arms between the groups, the experimental group showed significant difference in all muscle activity of arm compared to the control group. Comparing the weight bearing within the groups, the experimental group showed significant difference in the affected side and non-affected side weight bearings and there were significant differences in anterior and posterior weight bearing. The control group showed significant difference only in the non-affected side weight bearing. Comparing the weight bearings between groups, the experimental group showed significant difference in the affected side and non-affected side weight bearings compared to the control group. Conclusion: This study confirmed that robot-assisted arm training applied to stroke patients for 6 weeks significantly improved muscle activity of arm and weight bearing. Based on these results, it is considered that robot-assisted arm training can be a useful treatment in clinical practice to improve the kinematic variables in chronic stroke patients.

Keywords

References

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