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ISSN : 2092-8475(Print)
ISSN : (Online)
Journal of International Academy of Physical Therapy Research Vol.10 No.2 pp.1785-1790
DOI : https://doi.org/10.20540/JIAPTR.2019.10.2.1785

Effects of Lumbar Stabilization Exercise on Motor Neuron Excitability and Pain in Patients with Lumbar Disc Herniation

Jeongil Kanga,Daekeun Jeonga,Hyunho Choia
aDepartment of Physical Therapy, Sehan University, Republic of Korea
Address for correspondence
Hyunho Choi, PT, MS
Department of Physical Therapy, Sehan University, 1113 Noksaek-ro, Samho-eup, Yeongam-gun, Jeollanam-do, Korea Tel: 82-61-469-1316

Abstract

Background: Lumbar disc herniation (LDH) causes neurological symptoms by compression of the dura mater and nerve roots. Due to the changed in proprioception inputs that can result in abnormal postural pattern, delayed reaction time, and changed in deep tendon reflex.
Objective: To investigate the effects of lumbar stabilization exercises on motor neuron excitability and neurological symptoms in patients with LDH.
Design: Randomized Controlled Trial (single blind)
Methods: Thirty patients with LDH were recruited; they were randomly divided into the balance center stabilization resistance exercise group (n=15) and the Nordic walking group (n=15). Each group underwent their corresponding 20- minute intervention once a day, four times a week, for four weeks. Participants’ motor neuron excitability and low back pain were assessed before and after the four-week intervention.
Results: There were significant differences in all variables within each group (p<.05). There were significant differences between the experimental and control groups in the changes of upper motor neuron excitability and pain (p<.05), but not in the changes of lower motor neuron excitability and Korean Oswestry Disability Index.
Conclusion: Lumbar stabilization exercises utilizing concurrent contraction of deep and superficial muscles improved low back function in patients with LDH by lowering upper motor neuron excitability than compared to exercises actively moving the limbs. Lumbar stabilization exercises without pain have a positive impact on improving motor neuron excitability.

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