Myofascial Pain SyndromesTemporomandibular Joint Dysfunction SyndromeTrigger PointsFacial PainFacial NeuralgiaAcupuncture AnalgesiaOcclusal SplintsPain MeasurementTemporomandibular Joint DisordersMasticatory MusclesPain, ReferredPain ThresholdPainMuscle Relaxants, CentralFasciaFibromyalgiaNeuromuscular AgentsPain ClinicsInjections, IntramuscularAcupuncture TherapyNeck PainMusclesMuscle, SkeletalMasseter MuscleNeck MusclesChronic PainPain ManagementManipulation, OsteopathicMassageShoulder PainTemporal MusclePain, PostoperativeLow Back PainBack PainMuscle ContractionMuscle ProteinsMuscle, SmoothTreatment OutcomeManipulation, OrthopedicSciatic NerveAbdominal PainPain, Intractable