Agreement of measures obtained radiographically and by the OSI CA-6000 Spine Motion Analyzer for cervical spinal motion

Petersen, Cheryl M.; Schuit, Dale; Johnson, Robert D.; Knecht, H.; Levine, Phyllis

doi:10.1016/j.math.2006.12.004

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Volume 13, Issue 3 , Pages 200-205, June 2008

Agreement of measures obtained radiographically and by the OSI CA-6000 Spine Motion Analyzer for cervical spinal motion

Cheryl M. Petersen
- Department of Physical Therapy, Concordia University Wisconsin, 12800 North Lake Shore Drive, Mequon, 53097 WI, USA
- Corresponding author. Tel.: +12622434347; fax: +12622434506.
- Ms. Petersen and Dr. Schuit were at the Northwestern University, Department of Physical Therapy and Human Movement Science, Mr. Johnson was at the Chicago Institute of Neurosurgery/Neuroresearch, Chicago, IL, USA, and Ms. Levine was coordinator of Research at Chicagoland Orthopedic Rehabilitation Services Inc., Palos Heights, IL, USA when this study was conducted.
Dale Schuit
- Department of Physical Therapy, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Road, North Chicago, IL, USA
- Ms. Petersen and Dr. Schuit were at the Northwestern University, Department of Physical Therapy and Human Movement Science, Mr. Johnson was at the Chicago Institute of Neurosurgery/Neuroresearch, Chicago, IL, USA, and Ms. Levine was coordinator of Research at Chicagoland Orthopedic Rehabilitation Services Inc., Palos Heights, IL, USA when this study was conducted.
Robert D. Johnson
- Achieve Orthopedic Rehabilitation Institute, Chicago, IL, USA
- Ms. Petersen and Dr. Schuit were at the Northwestern University, Department of Physical Therapy and Human Movement Science, Mr. Johnson was at the Chicago Institute of Neurosurgery/Neuroresearch, Chicago, IL, USA, and Ms. Levine was coordinator of Research at Chicagoland Orthopedic Rehabilitation Services Inc., Palos Heights, IL, USA when this study was conducted.
H. Knecht
- Department of Physical Therapy, University of Illinois at Chicago, Chicago, IL, USA
- Retired Head of Department of Physical Therapy and Chief of Clinical Services, UIC Hospital, Chicago, IL, USA.
Phyllis Levine
- Functional Therapy Rehabilitation Services Inc., Homer Glen, IL, USA
- Ms. Petersen and Dr. Schuit were at the Northwestern University, Department of Physical Therapy and Human Movement Science, Mr. Johnson was at the Chicago Institute of Neurosurgery/Neuroresearch, Chicago, IL, USA, and Ms. Levine was coordinator of Research at Chicagoland Orthopedic Rehabilitation Services Inc., Palos Heights, IL, USA when this study was conducted.

Received 7 December 2003; received in revised form 18 October 2006; accepted 4 December 2006. published online 24 March 2007.

Abstract

The purpose of this study was to determine the agreement between angular measures of cervical spinal motion obtained from radiographs and from measures recorded by the OSI CA 6000 Spine Motion Analyzer (OSI SMA) in asymptomatic subjects. Fourteen subjects performed each of the following motions two times while wearing the OSI SMA: cervical flexion, extension, side bending to the right and left. Each motion was performed once for the cervical radiograph. The difference between the values obtained by the two methods was plotted against the average of those values for each subject to illustrate the level of agreement of the two methods. The plotted points were widely scattered, with a large range between the limits of agreement. Range of motion values taken from the OSI SMA were not similar to those obtained from radiographs for the motions of the cervical spine.

Keywords: Cervical spine, Cervical radiograph, Spinal motion