Remote Subcutaneous Needling to Suppress the Irritability of Myofascial Trigger Spots: An Experimental Study in Rabbits

Objective. To obtain electrophysiological effects of Fu’s subcutaneous needling (FSN) on needling distance by assessment of endplate noise (EPN) recorded from the myofascial trigger spots (MTrSs) in rabbit skeletal muscle. Method. Eighteen New Zealand rabbits weighing 2.5–3.0 kg were randomly divide...

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Bibliographic Details
Published in:Evidence-based complementary and alternative medicine 2012-01, Vol.2012 (2012), p.1-8
Main Authors: Lin, Jaung Geng, Kao, Mu-Jung, Hong, Chang-Zern, Hsieh, Yueh-Ling, Fu, Zhonghua, Chou, Li-Wei
Format: Article
Language:English
Subjects:
Animals
Back pain
Fibromyalgia
Muscles
Musculoskeletal system
Performance evaluation
Process controls
Rabbits
Random sampling
Skeletal muscle
Statistical sampling
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Summary:Objective. To obtain electrophysiological effects of Fu’s subcutaneous needling (FSN) on needling distance by assessment of endplate noise (EPN) recorded from the myofascial trigger spots (MTrSs) in rabbit skeletal muscle. Method. Eighteen New Zealand rabbits weighing 2.5–3.0 kg were randomly divided into two groups as follows: proximal needling (PN) group and distal needling (DN) group. The needling procedure followed the instructions described by the inventor of FSN, including needling insertion and swaying movement. The amplitudes of EPN on the MTrS region of BF muscle were recorded as an index of MTrS irritability. Random sampling of EPN tracings were taken for further analyses before, during, and after FSN treatment. Results. In PN and DN groups, the trends of EPN amplitude alterations were similar at conditions before, during, and after FSN treatment. The degree of reduction in the EPN amplitude in PN group was significantly higher than that in DN group. There were no significant changes in EPN amplitudes in the MTrS of contralateral BF without FSN intervention either in DN or PN group. Conclusion. The irritability of proximal MTrSs could be modulated after ipsilateral FSNs. The placement of FSN may affect the effectiveness of suppression of irritability of MTrSs.
ISSN:1741-427X
1741-4288
DOI:10.1155/2012/353916