alexa Concurrent Validity of Occiput-Wall Distance to Measure
ISSN: 2167-0870

Journal of Clinical Trials
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Research Article

Concurrent Validity of Occiput-Wall Distance to Measure Kyphosis in Communities

Sawitree Wongsa1,4, Pipatana Amatachaya2,4, Jeamjit Saengsuwan3,4 and Sugalya Amatachaya1,4*
1School of Physical Therapy, Faculty of Associated Medical Sciences, Khon Kaen University, Thailand
2Departments of Mechanical Engineering, Faculty of Engineering and Architecture, Rajamangala University of Technology, Isan, Nakhon Ratchasima, Thailand
3Faculty of Public Health, Khon Kaen University, Khon Kaen, Thailand
4Improvements of Physical Performance and Quality of Life (IPQ) Research Group, Khon Kaen University, Khon Kaen, Thailand
Corresponding Author : Dr. Sugalya Amatachaya
Associate Professor, School of Physical Therapy
Faculty of Associated Medical Sciences
Khon Kaen University
Khon Kaen, 40002, Thailand
Tel: +66 43 202 085
E-mail: [email protected]
Received March 30, 2012; Accepted May 10, 2012; Published May 18, 2012
Citation: Wongsa S, Amatachaya P, Saengsuwan J, Amatachaya S (2012) Concurrent Validity of Occiput-Wall Distance to Measure Kyphosis in Communities. J Clin Trials 2:111. doi:10.4172/2167-0870.1000111
Copyright: © 2012 Wongsa S, 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.


Background: The occiput-wall distance (OWD) is a quick and easily administered method to assess kyphosis. Thus it is likely used in epidemiologic studies. However, there are no data to warrant validity of the tool. This study evaluated concurrent validity of the OWD using a Flexicurve as a standard method. Methods: Subjects were 158 well-functioning elderly, aged at least 60 years old and had a perpendicular distance from the bony prominence of C7 to the wall >0 cm. They were assessed kyphosis using Flexicurve and OWD in a random order. The Pearson correlation coefficient was applied to determine levels of correlation. Results and conclusion: The OWD correlated extremely well with the Flexicurve (r = 0.902, p<0.001), thereby the data confirmed concurrent validity of the OWD. Although the method did not measure spinal angle, the findings suggested benefit of OWD to quantify and monitor degrees of kyphosis in a large number of populations.


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