Research Article

Myelinated Afferents Are Involved in Pathology of the Spontaneous Electrical Activity and Mechanical Hyperalgesia of Myofascial Trigger Spots in Rats

Figure 2

SEA recorded at MTrSs before and after adding TTX/isotonic saline in to the bath. (a) indicates SEA at MTrSs before the addition of TTX/isotonic saline; (b) indicates both amplitude and frequency of SEA decreased after the addition of TTX; and (c) indicates SEA did not change obviously after the addition of isotonic saline.
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(b)
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