A musculoskeletal lumbar and thoracic model for calculation of joint kinetics in the spine

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The objective of this study was to develop a musculoskeletal spine model that allows relative movements in the thoracic spine for calculation of intra-discal forces in the lumbar and thoracic spine. The thoracic part of the spine model was composed of vertebrae and ribs connected with mechanical joints similar to anatomical joints. Three different muscle groups around the thoracic spine were inserted, along with eight muscle groups around the lumbar spine in the original model from AnyBody. The model was tested using joint kinematics data obtained from two normal subjects during spine flexion and extension, axial rotation and lateral bending motions beginning from a standing posture. Intra-discal forces between spine segments were calculated in a musculoskeletal simulation. The force at the L4-L5 joint was chosen to validate the model's prediction against the lumbar model in the original AnyBody model, which was previously validated against clinical data.
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Issue Date
2016-06
Language
English
Article Type
Article
Keywords

VIVO INTRADISCAL PRESSURE; IN-VIVO; VALIDATION; KINEMATICS; ROTATIONS; MUSCLES; SYSTEMS; LOADS

Citation

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.30, no.6, pp.2891 - 2897

ISSN
1738-494X
DOI
10.1007/s12206-016-0548-0
URI
http://hdl.handle.net/10203/254202
Appears in Collection
ME-Journal Papers(저널논문)
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