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IMU-based assessment of knee spasticity to improve reliability of Modified Tardieu Scale in cerebral palsy

IMU-based assessment of knee spasticity to improve reliability of Modified Tardieu Scale in cerebral palsy
Translated Title
뇌성마비의 Modified Tardieu Scale 의 신뢰도 향상을 위한 관성
Choi, Seo Young
DGIST Authors
Choi, Seo Young; Kim, Jong Hyun
Kim, Jong Hyun
Shin, Yong Beom
Issue Date
Available Date
Degree Date
2015. 8
IMU-based assessmentreliabilityspasticityModified Tardieu scaleknee jointcerebral palsy뇌성마비관성 센서무릎 관절신뢰성
This thesis proposes a method for IMU-based assessment of cerebral palsy spasticity to improve reliability. The inertial measurement unit (IMU) has several advantages including light weight, simplicity of measurement, and ease of movement. The IMU measures degree of each segment using a combination of accelerometer and gyroscope. Through acquired degree, joint angle can be obtained. To confirm accuracy of joint angle measurement using IMU, each results were compared using motion capture system. To compare reliability of conventional measurement used in the clinical trial and IMU-based assessment, the experiment was conducted by targeting children with cerebral palsy. To evaluate reliability, three raters are participated in experiment. Then it is proved that IMU-based assessment is possible to improve the reliability than conventional methods by using analysis of correlation intra-rater and inter-rater. Through the result, confirm the factors that affect the reliability. However, because of the limitation of a small number of the subjects and applying only one of the joints, more patients and measurer, then research to determine the reliability of the other joint are needed. ⓒ 2015 DGIST
Table Of Contents
Ⅰ. INTRODUCTION 1-- 1.1 Background 1-- 1.2 Modified Tardieu scale of knee joint 3-- 1.3 IMU-based assessment of spasticity 5-- 1.4 Goal of the study 6-- Ⅱ. METHOD 7-- 2.1 Subjects 7-- 2.2 Procedure 7-- 2.2.1 IMU setup 7-- 2.2.2 Device 12-- 2.2.3 Testing protocol 13-- 2.2.4 Velocity Feedback 15-- Ⅲ. RESULT 16-- 3.1 Validation study 16-- 3.2 Reliability study 17-- 3.2.1 Intra-rater 17-- 3.2.2 Inter-rater 19-- 3.2.3 Effect of Velocity feedback 20-- 3.2.4 Measurement of Angle of Catch 23-- Ⅳ. DISCUSSION 26-- 4.1 Reliability study 26-- 4.2 Effect of Velocity Feedback 27-- 4.3 measurement of Angle of Catch 27-- 4.4 Other discussions 28-- Ⅴ. CONCLUSION 29-- 5.1 Conclusion 29-- Ⅵ. REFERENCE 30
Robotics Engineering
Related Researcher
  • Author Kim, Jonghyun REL(Rehabilitation Engineering Laboratory)
  • Research Interests Rehabilitation engineering; Robotics; Nonlinear control
Department of Robotics EngineeringThesesMaster

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