A musculoskeletal lumbar and thoracic model for calculation of joint kinetics in the spine
- 204 Downloads
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.
KeywordsJoint kinetics Lumbar spine Musculoskeletal model Thoracic spine
Unable to display preview. Download preview PDF.
- S. L. Delp, F. C. Anderson, A. S. Arnold, P. Loan, A. Habib, C. T. John and D. G. Thelen, OpenSim: open-source software to create and analyze dynamic simulations of movement, Biomedical Engineering, IEEE Transactions on, 54 (11) (2007) 1940–1950.Google Scholar
- M. Dreischarf, T. Zander, A. Shirazi-Adl, C. M. Puttlitz, C. J. Adam, C. S. Chen and H. Schmidt, Comparison of eight published static finite element models of the intact lumbar spine: predictive power of models improves when combined together, Journal of Biomechanics, 47 (8) (2014) 1757–1766.CrossRefGoogle Scholar
- A. A. White and M. M. Panjabi, Clinical Biomechanics of the Spine, Phnoiladelphia: Lippincott (1990).Google Scholar
- D. A. Winter, Biomechanics and motor control of human movement, John Wiley & Sons. (1986).Google Scholar
- J. Rassmussen, S. Carbes and S. T. Gomma, Validation of a biomechanical model of the lumbar spine, International Society of Biomechanics 2009 Congress XXII, Cape Town, South Africa (2009).Google Scholar
- A. Andre, S. Carbes and J. L. Ruiz, Development of a computer model of the thoracic human spine with an aim to investigate loss of stability in scoliosis, Master's Thesis, Aalborg University, Denmark (2006).Google Scholar
- M. E. Lund, M. de Zee, M. S. Andersen and J. Rasmussen, On validation of multibody musculoskeletal models, Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 226 (2) (2012) 82–94.Google Scholar