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

Simulation of the lumbar spine as a multi-module parallel manipulator

G. Carbone;
2011

Abstract

In this paper a simulation of movements of lumbar spine is proposed by using a model with serially connectedparallel manipulators. An analysis has been computed for the human spine structure and its movements, in order to simulatethe motions and forces that actuate a spine specifically in the lumbar segment. A mechanical model has been designed withavailable identified parameters of human spine, by using characteristics of parallel manipulators and spring stiffness. This modelis suitable to properly simulate the trunk behavior at macroscopic level but also the smooth behavior of intervertebral discs andactuating motions of muscles and tendons. Simulation results for spring actions and joints reaction forces can give an evaluationof the forces that intervertebral discs supports during motions of a real spine.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/301876
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