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dc.contributor.advisor Kim, Jong Hyun -
dc.contributor.author Choi, Seo Young -
dc.date.accessioned 2017-05-10T08:51:54Z -
dc.date.available 2015-07-19T00:00:00Z -
dc.date.issued 2015 -
dc.identifier.uri http://dgist.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002067960 en_US
dc.identifier.uri http://hdl.handle.net/20.500.11750/1420 -
dc.description.abstract 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
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dc.description.tableofcontents 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
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dc.format.extent 33 -
dc.language eng -
dc.publisher DGIST -
dc.subject IMU-based assessment -
dc.subject reliability -
dc.subject spasticity -
dc.subject Modified Tardieu scale -
dc.subject knee joint -
dc.subject cerebral palsy -
dc.subject 뇌성마비 -
dc.subject 관성 센서 -
dc.subject 무릎 관절 -
dc.subject 신뢰성 -
dc.title IMU-based assessment of knee spasticity to improve reliability of Modified Tardieu Scale in cerebral palsy -
dc.title.alternative 뇌성마비의 Modified Tardieu Scale 의 신뢰도 향상을 위한 관성 -
dc.type Thesis -
dc.identifier.doi 10.22677/thesis.2067960 -
dc.description.alternativeAbstract 본 논문은 뇌성마비 경직을 평가하는 MTS 의 신뢰성을 향상시키기 위해 관성 센서 기반의 평가법을 제안하고자 한다. 관성 센서는 가볍고 이용 방법이 간단하며 이동이 쉬운 장점이 있다. 또한 가속도계와 각속도 계를 통해서 각 분절의 각도를 얻을 수 있으며 얻은 분절 각도를 통해서 관절 각도를 알아낼 수 있다. 관성센서의 관절 각도 측정의 정확도를 확인하기 위해서 인간동작분석기를 사용하여 그 값을 비교하여 보았다. 실제 임상에서 사용되는 전형적인 MTS 평가방법과 IMU 기반의 평가방법의 신뢰성을 비교하기 위해서 뇌성마비 아동을 대상으로 실험을 실시하였다. 신뢰도 평가를 위해 세 명의 측정자가 실험에 참여하였으며, 측정자간의 평가와 측정자내 평가의 상관관계를 분석함으로써 관성센서가 기존의 방법보다 신뢰성이 높일 수 있는 가능성이 있다는 것을 증명하였다. 또한 실험의 결과를 통해 신뢰성에 영향을 주는 요소가 무엇인지를 확인해 보았다. 하지만 실험에 참여한 피실험자의 수가 적고, 하나의 관절에만 적용한 한계점이 있으므로 더 많은 환자와 측정자, 그리고 다른 관절에서의 신뢰도를 확인하는 연구가 필요하다. ⓒ 2015 DGIST -
dc.description.degree Master -
dc.contributor.department Robotics Engineering -
dc.contributor.coadvisor Shin, Yong Beom -
dc.date.awarded 2015. 8 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.date.accepted 2015-07-19 -
dc.contributor.alternativeDepartment 대학원 로봇공학전공 -
dc.contributor.affiliatedAuthor Choi, Seo Young -
dc.contributor.affiliatedAuthor Kim, Jong Hyun -
dc.contributor.alternativeName 최서영 -
dc.contributor.alternativeName 김종현 -
dc.contributor.alternativeName 신용범 -
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Department of Robotics and Mechatronics Engineering Theses Master

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