Effect of wearing a lumbar orthosis on trunk muscles: Study of the muscle strength after 21 days of use on healthy subjects - 10/01/08
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Abstract |
Introduction |
Randomized and controlled study of clinical evaluation of medical device in healthy subjects.
Objective |
To evaluate the effect of wearing an elastic lumbar support, frequently used in low-back pain prevention or treatment, on the trunk flexors and extensors muscle strength on healthy subjects.
Summary of background data |
The long-term use of a lumbar orthosis is still suspected of weakening on the trunk muscles. The results in the existing literature are contradictory but don't seem to confirm this.
Methods |
Trunk muscle isokinetic and isometric strength measured before and after the wearing of an elastic orthosis over a period of 21days by healthy subjects with a control group without orthosis.
Results |
There were 20 healthy subjects using orthosis and 9 controls. No changes in isokinetic and isometric strength were observed except for the endurance parameter on extensors: it was significantly more important before than after the lumbar support use (p=0.033).
Conclusion |
These results disprove any negative effects on muscle strength and add to the existing literature which argues for a more customized prescription of lumbar orthosis depending on the potential muscle strength of the subject.
Le texte complet de cet article est disponible en PDF.Keywords : Spine, Isokinetic evaluation, Trunk flexors, Trunk extensors, Endurance
Plan
Vol 75 - N° 1
P. 58-63 - janvier 2008 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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