Inclusion Criteria:  People between 18 and 65 years of age Neck pain of more than 3 months of evolution Access and knowledge in the use of the internet Complete the informed consent  Exclusion Criteria:  Previous trauma to the cervical region (such as whiplash) Neck surgery Osteoporosis Arthritis Cervical radiculopathy associated with externalized cervical hernia Vertigo or vertebrobasilar insufficiency Cancer Vertebral fracture Fibromyalgia Cognitive impairment Psychiatric disorders.