Visceral Manipulation Treatment to Patients With Non-specific Neck Pain With Functional Dyspepsia

Inclusion Criteria: * history of neck pain for a minimal period of the three months; * neck with restricted movement (active or passive) in at least one direction; * Neck Disability Index considering score range of 11-24 (score out of a 50) ; * numerical rating scale (NRS) for perceived pain intensity considering 3-7 points on an 11-point; * Presence of symptoms related to functional dyspepsia, according to the Rome III diagnostic criteria: uncomfortable postprandial fullness, early satiety, epigastric pain and epigastric burning, accompanied by no evidence of structural disease capable of explaining the symptoms . Exclusion Criteria: * Individuals with history of neurological disorders (i.e., irradiated pain) or neck surgery; systemic disease; connective tissue disorder and herniated disc; * current pregnancy; * medical diagnosis of fibromyalgia; * physical therapy treatment with, massage, or acupuncture in the previous two weeks; * use of analgesic, muscle relaxant, psychotropic agent, or anti-inflammatory agent in the previous three days; * chronic neck pain resulting from a traumatic incident; chronic musculoskeletal condition (e.g., muscular disorder, polyarthritis).