Myofascial pain syndrome, a very common condition ... To raise your head to see, you use your upper trapezius muscle. (The upper section of the trapezius muscle is located on the back of the ...

Background: Myofascial trigger ... and the IZ in the right upper trapezius. Methods: We screened 71 individuals and eventually enrolled 24 subjects with neck pain and active MTrPs and 24 neck ...

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