Simulation of the Lumbar Spine as a Multi-Module Paralel Manipulator | Zendy

Marco Ceccarelli | Zendy; Rebeca Carniello Saltarelo | Zendy; Giuseppe Carbone | Zendy; João Carlos Mendes Carvalho | Zendy

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Simulation of the Lumbar Spine as a Multi-Module Paralel Manipulator

Author(s) -

Marco Ceccarelli,

Rebeca Carniello Saltarelo,

Giuseppe Carbone,

João Carlos Mendes Carvalho

Publication year - 2011

Publication title -

applied bionics and biomechanics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.397

H-Index - 23

eISSN - 1754-2103

pISSN - 1176-2322

DOI - 10.1155/2011/856924

Subject(s) - stiffness , lumbar spine , spring (device) , spine (molecular biology) , trunk , lumbar , computer science , simulation , control theory (sociology) , engineering , structural engineering , anatomy , artificial intelligence , medicine , ecology , surgery , control (management) , microbiology and biotechnology , biology

In this paper a simulation of movements of lumbar spine is proposed by using a model with serially connected parallel manipulators. An analysis has been computed for the human spine structure and its movements, in order to simulate the motions and forces that actuate a spine specifically in the lumbar segment. A mechanical model has been designed with available identified parameters of human spine, by using characteristics of parallel manipulators and spring stiffness. This model is suitable to properly simulate the trunk behavior at macroscopic level but also the smooth behavior of intervertebral discs and actuating motions of muscles and tendons. Simulation results for spring actions and joints reaction forces can give an evaluation of the forces that intervertebral discs supports during motions of a real spine.

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