Myofascial pain syndrome (MPS) is a standard set of symptoms associated with severe regional muscular pain but is not a recognized medical diagnosis. Myofascial pain is regional but has the potential to be extensive, for instance, the neck and back may be the primary sites of the pain, but the referred muscle discomfort may radiate down the arm or into the head. Read more https://specialtycareclinics.com/blogs/are-myofascial-pain-syndrome-and-fibromyalgia-different/