Neck MusclesFatigueNeckMuscle FatigueMusclesHead MovementsNeck PainElectromyographyHead and Neck NeoplasmsFatigue Syndrome, ChronicMuscle, SkeletalMental FatigueHeadTorticollisMuscle ProteinsMuscle ContractionMuscle, SmoothMuscle Fibers, SkeletalFacial MusclesMuscle, Smooth, VascularVibrationLabyrinth DiseasesProprioceptionAccelerationMastoidMuscle DevelopmentPostureIsometric ContractionOccipital BoneWhiplash InjuriesMuscle Fibers, Fast-TwitchTegmentum MesencephaliElectric StimulationMuscle Fibers, Slow-TwitchMuscle DenervationFixation, OcularAnti-Dyskinesia AgentsBiomechanical PhenomenaMotor NeuronsTime FactorsCervical VertebraeMitochondria, MuscleMyocytes, Smooth MuscleMovementVestibule, LabyrinthOculomotor MusclesMuscle RelaxationMuscle WeaknessRespiratory MusclesNeck InjuriesPsychomotor PerformanceMuscle SpindlesQuadriceps MuscleMuscle, StriatedOrientationCatsPapillary MusclesSuperior ColliculiAbdominal MusclesRotationFemoral Neck Fractures