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    Three-Dimensional Dynamic Simulation of Total Knee Replacement Motion During a Step-Up Task

    Source: Journal of Biomechanical Engineering:;2001:;volume( 123 ):;issue: 006::page 599
    Author:
    Stephen J. Piazza
    ,
    Scott L. Delp
    DOI: 10.1115/1.1406950
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A three-dimensional, dynamic model of the tibiofemoral and patellofemoral articulations was developed to predict the motions of knee implants during a step-up activity. Patterns of muscle activity, initial joint angles and velocities, and kinematics of the hip and ankle were measured experimentally and used as inputs to the simulation. Prosthetic knee kinematics were determined by integration of dynamic equations of motion subject to forces generated by muscles, ligaments, and contact at both the tibiofemoral and patellofemoral articulations. The modeling of contacts between implants did not rely upon explicit constraint equations; thus, changes in the number of contact points were allowed without modification to the model formulation. The simulation reproduced experimentally measured flexion–extension angle of the knee (within one standard deviation), but translations at the tibiofemoral articulations were larger during the simulated step-up task than those reported for patients with total knee replacements.
    keyword(s): Force , Motion , Simulation , Muscle , Knee AND Knee joint prostheses ,
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      Three-Dimensional Dynamic Simulation of Total Knee Replacement Motion During a Step-Up Task

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/124775
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    • Journal of Biomechanical Engineering

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    contributor authorStephen J. Piazza
    contributor authorScott L. Delp
    date accessioned2017-05-09T00:04:10Z
    date available2017-05-09T00:04:10Z
    date copyrightDecember, 2001
    date issued2001
    identifier issn0148-0731
    identifier otherJBENDY-26209#599_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/124775
    description abstractA three-dimensional, dynamic model of the tibiofemoral and patellofemoral articulations was developed to predict the motions of knee implants during a step-up activity. Patterns of muscle activity, initial joint angles and velocities, and kinematics of the hip and ankle were measured experimentally and used as inputs to the simulation. Prosthetic knee kinematics were determined by integration of dynamic equations of motion subject to forces generated by muscles, ligaments, and contact at both the tibiofemoral and patellofemoral articulations. The modeling of contacts between implants did not rely upon explicit constraint equations; thus, changes in the number of contact points were allowed without modification to the model formulation. The simulation reproduced experimentally measured flexion–extension angle of the knee (within one standard deviation), but translations at the tibiofemoral articulations were larger during the simulated step-up task than those reported for patients with total knee replacements.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThree-Dimensional Dynamic Simulation of Total Knee Replacement Motion During a Step-Up Task
    typeJournal Paper
    journal volume123
    journal issue6
    journal titleJournal of Biomechanical Engineering
    identifier doi10.1115/1.1406950
    journal fristpage599
    journal lastpage606
    identifier eissn1528-8951
    keywordsForce
    keywordsMotion
    keywordsSimulation
    keywordsMuscle
    keywordsKnee AND Knee joint prostheses
    treeJournal of Biomechanical Engineering:;2001:;volume( 123 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian