Myofascial Trigger Points: Pathophysiology and Treatment with Dry Needling

IntroductionThe aim of this article is to review the possible mechanisms relating to the pathophysiology and treatment of myofascial trigger points with the technique of dry needling.Muscles and myofascial trigger points (MTrP’s) are a major source of persistent pain (Travell 1983). Myofascial pain is often associated with MTrP’s in muscles, tendons and fascia (Sola 1990, Simons 1999). It is characterized by regional muscle pain and described as dull or achy.