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Experimental determination of spinal segment kinematics [Experimentální určení kinematiky páteřních segmentů]

Jiří Kuželka, Martin Otáhal, Petr Heralt, Lukáš Jiran, Miloš Moravec, Petr Kubový

. 2011 ; 47 (2) : 166-171. (Kinanthropologica)

Language English Country Czech Republic

This article deals with an experimental work on spinal segment kinematics. A structure a unique mechanism for spinal segment loading is described. This mechanism can perform periodic loading by pure bending (flexion/extension) or by coupled bending, shear and compression. The kinematics of particular vertebra is measured by means of motion capture technique. In this case, a commercial system Qualisys was used. The raw results are time sequences of marker’s coordinates corresponding to moving bodies (vertebra). These data are post processed in a Matlab software and converted to more readable kinematic description using instantaneous axis (or center in 2D) of rotation. These experimental data will be used for numerical determination of load transition ratios between two adjacent vertebras.

Experimentální určení kinematiky páteřních segmentů

Bibliography, etc.

Literatura

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$a Kuželka, Jiří. $7 _AN047675 $u Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University, Prague
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$a Experimental determination of spinal segment kinematics / $c Jiří Kuželka, Martin Otáhal, Petr Heralt, Lukáš Jiran, Miloš Moravec, Petr Kubový
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$a Experimentální určení kinematiky páteřních segmentů
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$a This article deals with an experimental work on spinal segment kinematics. A structure a unique mechanism for spinal segment loading is described. This mechanism can perform periodic loading by pure bending (flexion/extension) or by coupled bending, shear and compression. The kinematics of particular vertebra is measured by means of motion capture technique. In this case, a commercial system Qualisys was used. The raw results are time sequences of marker’s coordinates corresponding to moving bodies (vertebra). These data are post processed in a Matlab software and converted to more readable kinematic description using instantaneous axis (or center in 2D) of rotation. These experimental data will be used for numerical determination of load transition ratios between two adjacent vertebras.
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$a Otáhal, Martin. $7 _AN047414 $u Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University, Prague; Department of Anatomy and Biomechanics, Faculty of Physical Education and Sport, Charles University, Prague
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$a Heralt, Petr. $7 xx0277650 $u Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University, Prague
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$a Jiran, Lukáš. $7 xx0301572 $u Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University, Prague
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$a Kubový, Petr $7 xx0105133 $u Department of Anatomy and Biomechanics, Faculty of Physical Education and Sport, Charles University, Prague
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