Muscle-tendon unit parameter estimation of a Hill-type musculoskeletal model based on experimentally obtained subject-specific torque profiles

Frederik Heinen, Søren Sørensen, Mark King, Martin Lewis, Morten Enemark Lund, John Rasmussen, Mark de Zee

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

The aim of this study was to generate a subject-specific musculoskeletal muscle model, based on isometric and isovelocity measurements of the whole lower extremity. A twostep optimization procedure is presented for optimizing the muscle-tendon parameters (MTPs) for isometric and isovelocity joint torque profiles. A significant improvement in the prediction of joint torque profiles for both the solely isometric and a combined isometric and dynamic method of optimization when compared to the standard scaling method of the AnyBody Modeling System (AMS) was observed. Depending on the specific purpose of the model, it may be worth considering whether the isometric-only would be sufficient, or the additional dynamic data are required for the combined approach.

OriginalsprogEngelsk
Artikelnummer061005
TidsskriftJournal of Biomechanical Engineering
Vol/bind141
Udgave nummer6
Antal sider9
ISSN0148-0731
DOI
StatusUdgivet - 1 jun. 2019

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Tendons
Torque
Parameter estimation
Muscle
Muscles
Joints
Lower Extremity

Citer dette

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abstract = "The aim of this study was to generate a subject-specific musculoskeletal muscle model, based on isometric and isovelocity measurements of the whole lower extremity. A twostep optimization procedure is presented for optimizing the muscle-tendon parameters (MTPs) for isometric and isovelocity joint torque profiles. A significant improvement in the prediction of joint torque profiles for both the solely isometric and a combined isometric and dynamic method of optimization when compared to the standard scaling method of the AnyBody Modeling System (AMS) was observed. Depending on the specific purpose of the model, it may be worth considering whether the isometric-only would be sufficient, or the additional dynamic data are required for the combined approach.",
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Muscle-tendon unit parameter estimation of a Hill-type musculoskeletal model based on experimentally obtained subject-specific torque profiles. / Heinen, Frederik; Sørensen, Søren; King, Mark; Lewis, Martin; Lund, Morten Enemark; Rasmussen, John; de Zee, Mark.

I: Journal of Biomechanical Engineering, Bind 141, Nr. 6, 061005, 01.06.2019.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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AU - Heinen, Frederik

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AU - Lund, Morten Enemark

AU - Rasmussen, John

AU - de Zee, Mark

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