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| = Synopsis = | == Synopsis == |
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| == Use Case == | The overall goal of this case study is to provide the utility of Open Knee(s) - Generation 1 model for reproducing the outcome of a clinical test, the pivot shift, for evaluating mechanical function of the anterior cruciate ligament. |
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| == Simulation Aims == | === Use Case === |
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| == Model == | The case is based on reproduction of a pivot shift loading scenario in a tibiofemoral joint model. The loading scenario was measured in a cadaver knee during pivot shift tests conducted by an orthopaedic surgeon. In follow-up robotics testing, this loading profile was adjusted for robotics testing of intact, ACL deficient, and ACL reconstructed knees. The use case aims for illustrating the capacity of the Open Knee(s) - Generation 1 model to reproduce the clinical differentiation of intact and ACL deficient knee in a virtual sense. |
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| == Inputs == | === Simulation Aims === |
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| == Outputs == | * To understand the role of ACL for stabilization of the joint during pivot shift testing (primary) * To explore the correspondence of Open Knee(s) simulation against robotics prescribed pivot shift loading of various knees (secondary) |
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| == Simulation Conditions == | === Model === |
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| = Team Members = | === Inputs === |
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| = Progress = | === Outputs === === Simulation Conditions === Six degrees of freedom loading of tibiofemoral joint (prescribed flexion; internal/external rotation and varus/valgus moments; anterior/posterior, medial/lateral and compression/distraction forces): * with intact ACL * without the ACL (very low stiffness for convenient modeling and simulation workflow) == Team Members == == Progress == === Source Code Repository === https://simtk.org/svn/openknee/app/PivotShift/ === Data === https://simtk.org/svn/openknee/app/PivotShift/dat/ === Model Customization === https://simtk.org/svn/openknee/app/PivotShift/src/ === Simulations === === Post-Processing === https://simtk.org/svn/openknee/app/PivotShift/sol/ === Publications === https://simtk.org/svn/openknee/app/PivotShift/doc/ == References == |
Synopsis
The overall goal of this case study is to provide the utility of Open Knee(s) - Generation 1 model for reproducing the outcome of a clinical test, the pivot shift, for evaluating mechanical function of the anterior cruciate ligament.
Use Case
The case is based on reproduction of a pivot shift loading scenario in a tibiofemoral joint model. The loading scenario was measured in a cadaver knee during pivot shift tests conducted by an orthopaedic surgeon. In follow-up robotics testing, this loading profile was adjusted for robotics testing of intact, ACL deficient, and ACL reconstructed knees. The use case aims for illustrating the capacity of the Open Knee(s) - Generation 1 model to reproduce the clinical differentiation of intact and ACL deficient knee in a virtual sense.
Simulation Aims
- To understand the role of ACL for stabilization of the joint during pivot shift testing (primary)
- To explore the correspondence of Open Knee(s) simulation against robotics prescribed pivot shift loading of various knees (secondary)
Model
Inputs
Outputs
Simulation Conditions
Six degrees of freedom loading of tibiofemoral joint (prescribed flexion; internal/external rotation and varus/valgus moments; anterior/posterior, medial/lateral and compression/distraction forces):
- with intact ACL
- without the ACL (very low stiffness for convenient modeling and simulation workflow)
Team Members
Progress
Source Code Repository
https://simtk.org/svn/openknee/app/PivotShift/
Data
https://simtk.org/svn/openknee/app/PivotShift/dat/
Model Customization
https://simtk.org/svn/openknee/app/PivotShift/src/
Simulations
Post-Processing
https://simtk.org/svn/openknee/app/PivotShift/sol/
Publications
https://simtk.org/svn/openknee/app/PivotShift/doc/