Development and Validation of a Musculoskeletal Model of the Fully Articulated Thoracolumbar Spine and Rib Cage

We developed and validated a fully articulated model of the thoracolumbar spine in opensim that includes the individual vertebrae, ribs, and sternum. To ensure trunk muscles in the model accurately represent muscles in vivo, we used a novel approach to adjust muscle cross-sectional area (CSA) and po...

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Vydáno v:Journal of biomechanical engineering Ročník 137; číslo 8; s. 081003
Hlavní autoři: Bruno, Alexander G, Bouxsein, Mary L, Anderson, Dennis E
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States 01.08.2015
Témata:
Adult
Electromyography
Humans
Lumbar Vertebrae - anatomy & histology
Lumbar Vertebrae - diagnostic imaging
Lumbar Vertebrae - physiology
Male
Models, Anatomic
Muscle Tonus
Muscles - anatomy & histology
Muscles - diagnostic imaging
Muscles - physiology
Prostheses and Implants
Ribs - anatomy & histology
Ribs - diagnostic imaging
Ribs - physiology
Thoracic Vertebrae - anatomy & histology
Thoracic Vertebrae - diagnostic imaging
Thoracic Vertebrae - physiology
Tomography, X-Ray Computed
Weight-Bearing
ISSN:1528-8951
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Popis
Shrnutí:We developed and validated a fully articulated model of the thoracolumbar spine in opensim that includes the individual vertebrae, ribs, and sternum. To ensure trunk muscles in the model accurately represent muscles in vivo, we used a novel approach to adjust muscle cross-sectional area (CSA) and position using computed tomography (CT) scans of the trunk sampled from a community-based cohort. Model predictions of vertebral compressive loading and trunk muscle tension were highly correlated to previous in vivo measures of intradiscal pressure (IDP), vertebral loading from telemeterized implants and trunk muscle myoelectric activity recorded by electromyography (EMG).
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ISSN:1528-8951
DOI:10.1115/1.4030408