Dysautonomia, FamilialMuscle RigidityPrimary DysautonomiasMalignant HyperthermiaHyperthermia, InducedAutonomic Nervous System DiseasesNeuroleptic Malignant SyndromeMasseter MuscleSuccinylcholineAlfentanilFentanylHalothanePhysical Conditioning, HumanKinetinHypotension, OrthostaticMusclesPure Autonomic FailureTilt-Table TestSweat GlandsSweatingAutonomic Nervous SystemMuscle, SkeletalMuscle ProteinsValsalva ManeuverMuscle, SmoothFeverMuscle Fibers, SkeletalMuscle ContractionMuscle, Smooth, VascularSympathetic Nervous System