Inclusion Criteria:  Chronic non-specific neck pain ≥ 3 months without symptoms radiating to the upper limbs Presence of a maximum of 1-2 active Myofascial Trigger Points Pain of more than 3 on a NPRS  For the diagnosis of a Trigger Point, compliance with the following criteria:  (1) A hypersensitive spot in a palpable taut band, (2) Palpable or visible local twitch on pincer palpation (3) Reproduction of referred pain elicited by palpation of the sensitive spot.  Exclusion Criteria:  Diagnosed with cervical radiculopathy or myelopathy Neck Pain due to trauma, fractures, or whiplash; neoplasia, severe osteoporosis, infectious, or inflammatory processes; Patients with pacemakers, congenital anomalies, previous neck surgery Patients diagnosed with fibromyalgia syndrome according to the American College of Rheumatology criteria