Evaluation of lumbosacral manipulation on motoneuronal activity in patients with low back pain

AUTHORS

Farid Rezaei Moghadam 1 , Zahra Reza Soltani 1 , Sirous Azizi 1 , Mohaddeseh Azadvari 2 , * , Ehsan Sanati 1 , Nafiseh Maleki 3

1 Assistant Professor, Physical Medicine and Rehabilitation Department, Imam Reza Hospital, AJA University of Medical Sciences, Tehran, Iran, Andorra

2 Researcher, Physical Medicine and Rehabilitation Department, Imam Reza Hospital, AJA University of Medical Sciences, Tehran, Iran., Andorra

3 Researcher, Tehran, Iran, Andorra

How to Cite: Rezaei Moghadam F , Reza Soltani Z , Azizi S, Azadvari M, Sanati E , et al. Evaluation of lumbosacral manipulation on motoneuronal activity in patients with low back pain, Ann Mil Health Sci Res. 2013 ; 11(2):e66559.

ARTICLE INFORMATION

Annals of Military and Health Sciences Research: 11 (2); e66559
Published Online: May 22, 2013
Article Type: Original Article
Received: January 07, 2013
Accepted: April 22, 2013

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Abstract

Background: Spinal manipulation is a manual technique commonly used for the treatment of low back pain. The physiologic mechanisms of spinal manipulation are largely unknown. One basic physiologic response to spinal manipulation (SM) is alternation in motoneuronal activity, as assessed by the Hoffmann reflex (H-reflex) technique. The purpose of this study was to determine the effect of spinal manipulation on amplitude and onset latency of H-reflexes and on H/M amplitude ratio in patients with low back pain.

Materials and Methods: It was a clinical trial with IRCT201203069222N1 Registration code. Ffifty eight patients with low back pain aged between 20-60 years were included. Tibial nerve H reflex and M wave were recorded before and after Lumbosacral spinal manipulation. The data was analyzed by SPSS 16.

Results: Lumbosacral manipulation significantly decrease amplitude of H reflex and H/M amplitude ratio (P<0.05). It had not significantly effect on H reflex latency or M wave amplitude and latency (P>0.05).

Conclusion: Lumbosacral manipulation produces attenuation of alpha motoneuronal excitability. These findings support of this theory that manual spinal therapy can lead to reduction in muscle tone.

Keywords

Manipulation Spinal Back Pain Low Hoffman’s Reflex

© 2013, Annals of Military and Health Sciences Research. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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