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BioMed Research International
Volume 2015, Article ID 256365, 5 pages
Research Article

The Anthropometric Measurement of Schober’s Test in Normal Taiwanese Population

1Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
2Taichung Branch, Bureau of Standards, Metrology and Inspection (BSMI), M.O.E.A., Taiwan
3Department of Rehabilitation, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli 35664, Taiwan
4Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 40201, Taiwan

Received 30 September 2014; Revised 20 January 2015; Accepted 19 February 2015

Academic Editor: Yi Liu

Copyright © 2015 Yong-Ren Yen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The measurement of lower back mobility is essential in the assessment of lower back pain including ankylosing spondylitis. Original Schober’s test (OST) and modified Schober’s test (MST) are popularly conducted in daily rheumatology and orthopedics clinical practices. To our knowledge, this report is the only anthropometric reference study in a normal oriental population. The OST declined with age from 5.0 cm in the youngest (20–30 years old) to 3.1 cm in the aged (70–80 years old) male subjects and from 3.6 cm to 2.4 cm in the female subjects. The male OST was significantly more than the female OST. There was a good correlation between OST and MST in each of the three age groups of both sexes.