Matches in SemOpenAlex for { <https://semopenalex.org/work/W103384181> ?p ?o ?g. }
- W103384181 abstract "v This dissertation focuses on the development of a computationally efficient and fast method that incorporates the kinematics obtained from fluoroscopy and extends it to the prediction of the in-vivo contact mechanics at the femoro-tibial articulation in modern knee implants for the deep knee bend activity. In this endeavor, this dissertation deals with the use of an inverse dynamic rigid body model characterizing the slip and roll behavior observed in the femoro-polyethylene articulation and a coupled deformation model where the polyethylene in knee implants are modeled as hexahedral discrete element networks. The performance of this method is tested by comparing force predictions from a telemetric knee and finite element analysis. Finally, the method is applied to study the in vivo contact mechanics and mechanics of the quadriceps mechanism in six popular knee designs. During the deep knee bend activity, the contact force generally increased with flexion. However, the medial lateral forces were not equally distributed and the medial lateral force distribution generally varied from 60%40% at full extension to as high as 75%-25% at full flexion in some patients. Also, the magnitude of axial force in the superior-inferior direction was the highest and was found to contribute around 98%-99% of the total load acting at the femorotibial joint. The forces in the medio-lateral and antero-posterior directions were low and the maximum" @default.
- W103384181 created "2016-06-24" @default.
- W103384181 creator A5041627298 @default.
- W103384181 date "2008-01-01" @default.
- W103384181 modified "2023-09-23" @default.
- W103384181 title "Development of a Computational Model to Predict the In Vivo Contact Mechanics of Modern Total Knee Arthroplasty" @default.
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