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Open Access Highly Accessed Methodology

Optimization of the examination posture in spinal curvature assessment

Jakub Krejci1, Jiri Gallo2*, Petr Stepanik1 and Jiri Salinger1

Author Affiliations

1 Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacky University, Olomouc, Czech Republic

2 Department of Orthopedics, University Hospital, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic

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Scoliosis 2012, 7:10  doi:10.1186/1748-7161-7-10

Published: 30 April 2012

Abstract

To decrease the influence of postural sway during spinal measurements, an instrumented fixation posture (called G) was proposed and tested in comparison with the free standing posture (A) using the DTP-3 system in a group of 70 healthy volunteers. The measurement was performed 5 times on each subject and each position was tested by a newly developed device for non-invasive spinal measurements called DTP-3 system. Changes in postural stability of the spinous processes for each subject/the whole group were evaluated by employing standard statistical tools. Posture G, when compared to posture A, reduced postural sway significantly in all spinous processes from C3 to L5 in both the mediolateral and anterioposterior directions. Posture G also significantly reduced postural sway in the vertical direction in 18 out of 22 spinous processes. Importantly, posture G did not significantly influence the spinal curvature.

Keywords:
Spinal deformity; Examination posture; Postural sway; Non-invasive assessment; DTP-3 system; Approximation polynomial