Myofascial Pain SyndromesTemporomandibular Joint Dysfunction SyndromeTrigger PointsFacial PainFacial NeuralgiaAcupuncture AnalgesiaOcclusal SplintsTemporomandibular Joint DisordersPain MeasurementMasticatory MusclesMuscle Relaxants, CentralPain ThresholdFibromyalgiaNeuromuscular AgentsPain, ReferredPain ClinicsPainInjections, IntramuscularAcupuncture TherapyMigraine DisordersFasciaTension-Type HeadacheMigraine without AuraNeck PainTreatment OutcomeChronic PainPain ManagementManipulation, OsteopathicLow Back Pain