The purpose of this study is to evaluate the clinical results in pain intensity, neck disability, range of motion, endurance deep cervical muscles, forward head position and kinesiophobia through thoracic spine mobility, deep neck muscles and thoracic strength training and pain education protocol versus a thoracic spine mobility, thoracic strength training and pain education protocol in patients with chronic non-specific neck pain.
Non-specific neck pain for at least the last 12 weeks.
Pain intensity equal to or greater than 4 on the visual analog scale (VAS).
Mild-moderate disability in the Neck Disability Index.
Not reaching phase 2 in Craniocervical flexion test.
Other type of neck pain.
Previous neck surgery.
Diagnosed metabolic diseases.
Red flags (infection, tumors, rheumatic arthritis, or cardiovascular disease).