Inclusion Criteria:  A diagnosis of painful TMD using the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) A history of orofacial pain during at least three months prior to the study Age ranging between 18 to 65 years, both genders.  Exclusion Criteria:  • Patients with neurological disorders (neuropathic pain or neurodegenerative disease), whiplash associated disorders, specific neck pain (radicular pain), recent dental or physical therapy. If patients are taking medication to relieve pain during the study, they will be encouraged to report it.