Spinal disc hydration status during simulated stooped posture

Stooped work has been shown to be associated with the development of low back disorders, particularly those that affect the spinal intervertebral discs. Although several studies have been conducted to evaluate the effects of physical factors on disc health, little research has focused on the effect...

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Bibliographic Details
Published in:Work (Reading, Mass.) Mass.), 2012, Vol.41 (S1), p.2384-2386
Main Authors: Johannaber, Kenneth, Fathallah, Fadi A.
Format: Article
Language:English
Subjects:
Animals
Biomechanical Phenomena
In Vitro Techniques
Intervertebral Disc - physiology
Low Back Pain - etiology
Male
Models, Biological
Posture - physiology
Swine
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Summary:Stooped work has been shown to be associated with the development of low back disorders, particularly those that affect the spinal intervertebral discs. Although several studies have been conducted to evaluate the effects of physical factors on disc health, little research has focused on the effect of prolonged stooped work on disc hydration- a critical component of disc health. The purpose of this study is to explore the connection between stooped work and low back pain through controlled mechanical loading and quantitative analysis of disc hydration during in vitro simulated stooped and erect loading conditions of porcine discs. The results showed that stooped postures exhibit significantly decreased overall water content relative to erect postures. Since as disc hydration forms the foundation for overall disc health and proper function, these results have implications for the injury mechanisms associated with stooped work.
ISSN:1051-9815
1875-9270
DOI:10.3233/WOR-2012-0470-2384