2013 Fiscal Year Final Research Report
Mechanism of passive joint moment (PJM) on ankle joint and estimation method of the PJM with ankle movement
| Project/Area Number |
23650323
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Rehabilitation science/Welfare engineering
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| Research Institution | Osaka University |
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Principal Investigator |
NAITO Hisashi 大阪大学, 基礎工学研究科, 助教 (40392203)
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| Project Period (FY) |
2011 – 2013
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| Keywords | バイオメカニクス / 関節受動抵抗 / 関節動態 / シミュレーション解析 / 足部 |
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| Research Abstract |
In this study, we created a framework that consists of solvers of implicit nonlinear finite element method and rigid body dynamics, to analyse coupling problem between deformation behavior of three-dimensional incompressible hyperelastic body and rigid bodies with contact problem. Using the framework, a dynamical model of the foot that consists of ligaments and skeleton, which are represented as springs and rigid bodies, was constructed based on CT data of a human foot. Results of analyses about the passive joint moment during stance phase show the possibility that the shape of the articular surface plays a large role in the passive joint moment especially during stance phase.
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