The intervention for both groups consisted of analgesic treatment in accordance with the guidelines of the FREMAP Protocol for the treatment of mechanical NP. The analgesic part of this protocol includes superficial thermotherapy (infrared lamp) and transcutaneous electrical stimulation (TENS). Additionally, Group I was treated with MT and Group II with MRT. There were 10 treatment sessions distributed within 4 successive weeks with three sessions being applied the first and third weeks and two sessions being applied the second and fourth weeks.