Effect of Neural Mobilization on Altered Vibration Perception Threshold (VPT)

Manisha, P and Ganesh, B and Ravi, SR (2011) Effect of Neural Mobilization on Altered Vibration Perception Threshold (VPT). Indian Journal of Physiotherapy & Occupational Therapy, 5 (2). pp. 85-88.

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Background Upper Limb Neurodynamic Test (ULNT) has been advocated for assessment and treatment of Adverse Neural Tension (ANT) and has been suggested as a means of restoring normal neural physiology, mobility,and alleviating pain. In Early stages of nerve compression the symptoms are intermittent and the histopathologic changes in the nerve are minimal, this can be detected by vibration perception threshold (VPT). ULNT’s effect on the quickly adapting receptors, which is assessed by VPT, has not been established yet.Objective To find the correlation between ULNT and VPT, and to find the effect of neural mobilization in cases of adverse neural tissue tension in asymptomatic individual.Method Study was done in 2 phases. Phase 1 was a crosssectional study where 30 asymptomatic individuals were taken and their VPT and ANT (the range of restriction of elbow extension) was recorded in sitting and ULNT position, this was followed by finding correlation between them. Phase 2 was an intervention study where 50 asympto atic individuals with VPT more than 0.25 microns and neural tissue tension greater than 30 degrees of restriction of elbow extension in ULNT1 position were included. Six sessions of ULNT1 neural mobilization program was given. The outcome measure of VPT was recorded at the first day and at the end of the sixth session.ResultsIn phase 1, there was positive correlation between the range of restriction of elbow extension and the VPT (r=0.71 for right, r=0.68 for left). In Phase 2 there showed significant difference in resting VPT with pre and post ULNT1 neural mobilization program (p = 0.01).Conclusion VPT can be used for the identification of any subclinical pathology. Six days of ULNT1 neural mobilization program decreases the VPT in asymptomatic individuals with ANT. So ULNT1 neural mobilization program will be useful in improving the neural function in subclinical stage.

Item Type: Article
Uncontrolled Keywords: Adverse Neural tension; Vibration threshold; ULNT1
Subjects: Allied Health > MCOAHS Manipal > Physiotherapy
Depositing User: KMC Library
Date Deposited: 02 Jun 2016 10:06
Last Modified: 02 Jun 2016 10:06
URI: http://eprints.manipal.edu/id/eprint/146254

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