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An Improved Method of Stature Measurement for Quantitative Determination of Spinal Loading: Application to Sitting Postures and Whole Body Vibration

Althoff, I., Brinckmann, Paul, Frobin, Wolfgang, Sandover, J. and Burton, A. Kim (1992) An Improved Method of Stature Measurement for Quantitative Determination of Spinal Loading: Application to Sitting Postures and Whole Body Vibration. Spine, 17 (6). pp. 682-693. ISSN 0362-2436

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Abstract

A refined procedure for measuring stature is described; this provides a reproducibility error of 0.4 mm. The procedure accommodates the natural diurnal change in stature and permits estimation of the net stature changes caused by a change in spinal loading. A series of measurements done with a cohort of 20 young and middle-aged persons showed that stature decrease was related linearly to the quasistatic load on the spine. The coefficient of proportionality between load and height loss was inversely proportional to the cross-sectional area of the lumbar discs. This method was used to investigate sitting postures and whole-body vibration to demonstrate the applicability of the procedure to quantify spinal strain (and, therefore, estimate comparative loading) in applied ergonomics. Sitting invariably led to an increase in stature, regardless of the type of chair used or the posture maintained. Whole-body vibration did not induce any loss of stature. Thus this novel approach was able to enhance understanding of spinal behavior under different loading conditions.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Schools: School of Human and Health Sciences
School of Human and Health Sciences > Centre for Applied Psychological Research
School of Human and Health Sciences > Centre for Health and Social Care Research
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Depositing User: Cherry Edmunds
Date Deposited: 07 Apr 2010 16:50
Last Modified: 23 Nov 2011 13:30
URI: http://eprints.hud.ac.uk/id/eprint/7381

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