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J Bodyw Mov Ther. 2012 Jul;16(3):364-368. doi: 10.1016/j.jbmt.2011.12.003. Epub 2012 Jan 20.

Analysis of electromyographic activity in spastic biceps brachii muscle following neural mobilization.

Author information

1
Universidade Estadual do Centro-Oeste (UNICENTRO), Brazil.
2
Universidade Nove de Julho (UNINOVE), Brazil.
3
Universidade Nove de Julho (UNINOVE), Brazil. Electronic address: csantos@uninove.br.

Abstract

INTRODUCTION:

Hypertonia is prevalent in anti-gravity muscles, such as the biceps brachii. Neural mobilization is one of the techniques currently used to reduce spasticity.

OBJECTIVE:

The aim of the present study was to assess electromyographic (EMG) activity in spastic biceps brachii muscles before and after neural mobilization of the upper limb contralateral to the hemiplegia.

MATERIALS AND METHODS:

Repeated pre-test and post-test EMG measurements were performed on six stroke victims with grade 1 or 2 spasticity (Modified Ashworth Scale). The Upper Limb Neurodynamic Test (ULNT1) was the mobilization technique employed.

RESULTS:

After neural mobilization contralateral to the lesion, electromyographic activity in the biceps brachii decreased by 17% and 11% for 90° flexion and complete extension of the elbow, respectively. However, the results were not statistically significant (p gt; 0.05).

CONCLUSIONS:

When performed using contralateral techniques, neural mobilization alters the electrical signal of spastic muscles.

PMID:
22703748
DOI:
10.1016/j.jbmt.2011.12.003
[Indexed for MEDLINE]

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