Neck MusclesNeckMusclesHead MovementsNeck PainHead and Neck NeoplasmsElectromyographyHeadTorticollisMuscle, SkeletalMuscle ProteinsMuscle, SmoothMuscle ContractionFacial MusclesMuscle Fibers, SkeletalMuscle, Smooth, VascularVibrationLabyrinth DiseasesProprioceptionAccelerationMastoidMuscle DevelopmentPostureOccipital BoneIsometric ContractionWhiplash InjuriesTegmentum MesencephaliMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationFixation, OcularMuscle Fibers, Slow-TwitchAnti-Dyskinesia AgentsElectric StimulationCervical VertebraeMyocytes, Smooth MuscleMitochondria, MuscleMotor NeuronsVestibule, LabyrinthMovementBiomechanical PhenomenaOculomotor MusclesNeck InjuriesMuscle, StriatedOrientationMuscle SpindlesMuscle RelaxationCatsTime FactorsPsychomotor PerformanceMuscle WeaknessRespiratory MusclesPapillary MusclesSuperior ColliculiRotation