alexa In vivo Kinematics Assessment of Bulged Disk Cervical Vertebral | OMICS International | Abstract
ISSN-2165-7556

Journal of Ergonomics
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Research Article

In vivo Kinematics Assessment of Bulged Disk Cervical Vertebral

Amir Hossein Saveh1*, Amir Bahador Shabani2, Ali Reza Zali1, Samira Kermani2, Amir Saeed Seddighi1, Navid Nabizadeh1 and Mahmoud Chizari3

1Shohada Tajrish Neurosurgical Center of Excellence, Functional Neurosurgery Research Center, Shohada Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2Azad University, Science and Research Branch, Islamic Azad University, Tehran, Iran

3Orthopaedic Research and Learning Centre, College of Engineering, Design and Physical Sciences, Brunel University London, UK

*Corresponding Author:
Amir Hossein Saveh
Shohada Tajrish Neurosurgical Center of Excellence
Functional Neurosurgery Research Center of Shohada Tajrish Hospital
Shahid Beheshti University of Medical Sciences
Tehran, Iran
Tel: 00989121571519
E-mail: [email protected]

Received Date: March 28, 2017; Accepted Date: April 07, 2017; Published Date: April 20, 2017

Citation: Saveh AH, Shabani AB, Zali AR, Kermani S, Seddighi AS, et al. (2017) In vivo Kinematics Assessment of Bulged Disk Cervical Vertebral. J Ergonomics 7:193. doi: 10.4172/2165-7556.1000193

Copyright: © 2017 Saveh AH, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: On a cervical disk, the bulge may be produced in the poster lateral direction when there is a combination of lateral bending and compression loading. Although attempts have been made to measure the kinematics of intact vertebral spine but has not been compared with a vertebral spine when the dicks are bulged. The study aims to investigate the effect of a bulged disk on the kinematics of a cervical spine during a flexionextension motion then flexion-extension of five subject patients who had history of bulged disk in their cervical spine were studied. All patients had bulged disk at C5/C6 level. Design: This study uses a three dimensional model of cervical vertebras which was created from CT data of the subject patients. Flexion-extension range of motion of each subject patients was recorded using a fluoroscopic imaging method. Then motion of the cervical vertebra next to bulged disk were tracked using a 2D-to-3D registration method. The result of this measurement was compared with motion of intact cervical spines obtained by previous researchers. Results: The range of motion for normal C5/C6 is less than bulged C5/C6. Conclusion: The kinematics of flexion-extension motion for bulged intervertebral disk and the normal intervertebral disks are different.

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