Intramuscular Stimulation (IMS) Works Even in Rats

Intramuscular Needle electrical needling of trigger knots in rat gastrocnemius(calf)  results in less irritable sites. I use IMS for areas I wish to avoid use of local (neck, about hip where need to be able to walk after etc.).  I couple it with massage techniques to remove any residual triggers and find it helpful.  Nice to have some basic science showing it works.

Zhen Ci Yan Jiu. 2018 Feb 25;43(2):127-32.
doi: 10.13702/j.1000-0607.170155.
[Effect of Dry Needling Stimulation of Myofascial Trigger Point on Sample Entropy
of Electromyography of Gastrocnemius Injured Site in Rats].
Ding CL et al

  • striking gastroc to induce triggers
  • compared effects of needling to pressure /massage/stretching
  • looked at “mean sample entropy of EMG signals” as evidence of muscle health
  • “The mean sample entropy of the needling and needling plus stretching groups were significantly higher than that of the stretching group (P<0.01), without remarkable difference between the two needling groups [plain needling or needling and stretching] in the mean sample entropy (P>0.05), suggesting a better efficacy of dry needling in easing trigger point activity.”

Comment – I use a pointer plus and pulse stimulate knots for 120 pulses manually done. Then move onto next knot until area better.


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