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

Farid  Rezaei Moghadam; Zahra  Reza Soltani; Sirous  Azizi; Mohaddeseh Azadvari; Ehsan  Sanati; Nafiseh  Maleki

Annals of Military and Health Sciences Research

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

Author(s):

Farid Rezaei Moghadam¹,

Zahra Reza Soltani¹,

Sirous Azizi¹,

Mohaddeseh Azadvari^2,*,

Ehsan Sanati¹,

Nafiseh Maleki³

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

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

3Researcher, Tehran, Iran, Andorra

Annals of Military and Health Sciences Research:Vol. 11, issue 2; e66559

Published online:May 22, 2013

Article type:Research Article

Received:Jan 07, 2013

Accepted:Apr 22, 2013

How to Cite:Farid Rezaei MoghadamZahra Reza SoltaniSirous AziziMohaddeseh AzadvariEhsan SanatiNafiseh Malekiet al.Evaluation of lumbosacral manipulation on motoneuronal activity in patients with low back pain.Ann Mil Health Sci Res.11(2):e66559.

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.

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