An articulated spine and ribcage kinematic model for simulation of scoliosis deformities

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Standard

An articulated spine and ribcage kinematic model for simulation of scoliosis deformities. / Shayestehpour, Hamed; Rasmussen, John; Galibarov, Pavel; Wong, Christian.

I: Multibody System Dynamics, Bind 53, Nr. 2, 2021, s. 115-134.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Shayestehpour, H, Rasmussen, J, Galibarov, P & Wong, C 2021, 'An articulated spine and ribcage kinematic model for simulation of scoliosis deformities', Multibody System Dynamics, bind 53, nr. 2, s. 115-134. https://doi.org/10.1007/s11044-021-09787-9

APA

Shayestehpour, H., Rasmussen, J., Galibarov, P., & Wong, C. (2021). An articulated spine and ribcage kinematic model for simulation of scoliosis deformities. Multibody System Dynamics, 53(2), 115-134. https://doi.org/10.1007/s11044-021-09787-9

Vancouver

Shayestehpour H, Rasmussen J, Galibarov P, Wong C. An articulated spine and ribcage kinematic model for simulation of scoliosis deformities. Multibody System Dynamics. 2021;53(2):115-134. https://doi.org/10.1007/s11044-021-09787-9

Author

Shayestehpour, Hamed ; Rasmussen, John ; Galibarov, Pavel ; Wong, Christian. / An articulated spine and ribcage kinematic model for simulation of scoliosis deformities. I: Multibody System Dynamics. 2021 ; Bind 53, Nr. 2. s. 115-134.

Bibtex

@article{27465a4286f74cf68235c916bccad389,
title = "An articulated spine and ribcage kinematic model for simulation of scoliosis deformities",
abstract = "Musculoskeletal multibody modeling can offer valuable insight into aetiopathogenesis behind adolescent idiopathic scoliosis, which has remained unclear. However, the underlying model should represent anatomical joints with compatible kinematic constraints while allowing the model to attain scoliotic postures. This work presents an improved and kinematically determinate model including the whole spine and ribcage, which can attain typical scoliosis deformations of the thorax with compatible constraint strategy and simulate the interaction between all the bony segments of the ribcage and the spine. In the model, costovertebral/costotransverse joints were defined as universal joints based on reported anatomical studies. Articulations between ribs and the sternum were defined as spherical joints except in the ninth and tenth pairs, which have one additional anteroposterior degree-of-freedom. The model is controlled by 15 kinematic parameters, including spinal rhythms and parameters relating to clinical metrics of scoliosis. These input values were measured from the bi-planar radiographs of a 17-year-old scoliosis patient with a right main thoracic curve of 33° Cobb angle. Dependent kinematic variables with clinical relevance were selected for validation purposes and compared with measurements from radiographs. The average errors of rib-vertebra angles, rib-vertebra angle differences, and rib humps were 6.6° and 9.0°, and 6.3 mm. The model appeared to reproduce the spine and rib deformation pattern conforming to radiographs, results in simulating the rib prominence, rib spread, rib-vertebra angles, and sternum orientation, therefore supporting the constraint definitions. The model can subsequently be used to investigate the kinetics of scoliosis and contribute to uncovering the pathomechanism.",
keywords = "AnyBody, Compatible joint definition, Multibody modeling, Ribcage kinematics, Scoliosis, Thoracolumbar spine",
author = "Hamed Shayestehpour and John Rasmussen and Pavel Galibarov and Christian Wong",
note = "Publisher Copyright: {\textcopyright} 2021, The Author(s), under exclusive licence to Springer Nature B.V.",
year = "2021",
doi = "10.1007/s11044-021-09787-9",
language = "English",
volume = "53",
pages = "115--134",
journal = "Multibody System Dynamics",
issn = "1384-5640",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - An articulated spine and ribcage kinematic model for simulation of scoliosis deformities

AU - Shayestehpour, Hamed

AU - Rasmussen, John

AU - Galibarov, Pavel

AU - Wong, Christian

N1 - Publisher Copyright: © 2021, The Author(s), under exclusive licence to Springer Nature B.V.

PY - 2021

Y1 - 2021

N2 - Musculoskeletal multibody modeling can offer valuable insight into aetiopathogenesis behind adolescent idiopathic scoliosis, which has remained unclear. However, the underlying model should represent anatomical joints with compatible kinematic constraints while allowing the model to attain scoliotic postures. This work presents an improved and kinematically determinate model including the whole spine and ribcage, which can attain typical scoliosis deformations of the thorax with compatible constraint strategy and simulate the interaction between all the bony segments of the ribcage and the spine. In the model, costovertebral/costotransverse joints were defined as universal joints based on reported anatomical studies. Articulations between ribs and the sternum were defined as spherical joints except in the ninth and tenth pairs, which have one additional anteroposterior degree-of-freedom. The model is controlled by 15 kinematic parameters, including spinal rhythms and parameters relating to clinical metrics of scoliosis. These input values were measured from the bi-planar radiographs of a 17-year-old scoliosis patient with a right main thoracic curve of 33° Cobb angle. Dependent kinematic variables with clinical relevance were selected for validation purposes and compared with measurements from radiographs. The average errors of rib-vertebra angles, rib-vertebra angle differences, and rib humps were 6.6° and 9.0°, and 6.3 mm. The model appeared to reproduce the spine and rib deformation pattern conforming to radiographs, results in simulating the rib prominence, rib spread, rib-vertebra angles, and sternum orientation, therefore supporting the constraint definitions. The model can subsequently be used to investigate the kinetics of scoliosis and contribute to uncovering the pathomechanism.

AB - Musculoskeletal multibody modeling can offer valuable insight into aetiopathogenesis behind adolescent idiopathic scoliosis, which has remained unclear. However, the underlying model should represent anatomical joints with compatible kinematic constraints while allowing the model to attain scoliotic postures. This work presents an improved and kinematically determinate model including the whole spine and ribcage, which can attain typical scoliosis deformations of the thorax with compatible constraint strategy and simulate the interaction between all the bony segments of the ribcage and the spine. In the model, costovertebral/costotransverse joints were defined as universal joints based on reported anatomical studies. Articulations between ribs and the sternum were defined as spherical joints except in the ninth and tenth pairs, which have one additional anteroposterior degree-of-freedom. The model is controlled by 15 kinematic parameters, including spinal rhythms and parameters relating to clinical metrics of scoliosis. These input values were measured from the bi-planar radiographs of a 17-year-old scoliosis patient with a right main thoracic curve of 33° Cobb angle. Dependent kinematic variables with clinical relevance were selected for validation purposes and compared with measurements from radiographs. The average errors of rib-vertebra angles, rib-vertebra angle differences, and rib humps were 6.6° and 9.0°, and 6.3 mm. The model appeared to reproduce the spine and rib deformation pattern conforming to radiographs, results in simulating the rib prominence, rib spread, rib-vertebra angles, and sternum orientation, therefore supporting the constraint definitions. The model can subsequently be used to investigate the kinetics of scoliosis and contribute to uncovering the pathomechanism.

KW - AnyBody

KW - Compatible joint definition

KW - Multibody modeling

KW - Ribcage kinematics

KW - Scoliosis

KW - Thoracolumbar spine

U2 - 10.1007/s11044-021-09787-9

DO - 10.1007/s11044-021-09787-9

M3 - Journal article

AN - SCOPUS:85103429145

VL - 53

SP - 115

EP - 134

JO - Multibody System Dynamics

JF - Multibody System Dynamics

SN - 1384-5640

IS - 2

ER -

ID: 303771608