Arshi points literally means no fixed location, used as needed based on the decision of the acupuncturists.   They are usually near the area where the pain is.  They have been used for thousands of years by acupuncturists. In the theory of Chinese Medicine, where there is pain there is blockage.  By stimulating the Arshi points can help remove the blockage more efficiently.  I am sure putting this theory in modern words, it will be by stimulating the Arshi points will "specifically addresses hyperirritable loci in the muscle tissue to elicit a physiological response directly in the target muscle tissue".  Therefore, it is clear that the trigger points ar Arshi points.  

DRY NEEDLING IS PRACTICING ACUPUNCTURE.  DRY NEEDLING WILL DAMAGE THE ACUPUNCTURE PROFESSION, WILL FORCE A LOT OF SMALL BUSINESSES CLOSE DOWN.