“…Most common conditions under investigation were myofascial pain, associated with the occurrence of MTrPs (8 out 35, 22.9%) [33,38,41,48,50,63,70,83], fibromyalgia (7 out of 35, 20%) [37,44,45,72,81,82,87], chronic neck and back pain (5 out of 35, 14.3%) [22,46,49,74,77], temporomandibular disorder (5 out of 35, 14.3%) [40,43,68,79,91], and experimentally induced delayed-onset muscle soreness (DOMS; 4 out of 35, 11.4%) [27,47,51,78]. PPT was also used as an outcome measure for the treatment effect of acupuncture in tension type headache [52,93], osteoarthritis of the knee [86], abdominal scar pain [62], plantar fasciitis [96], and syringomyelia [64].…”