Accessory NerveAccessory Nerve InjuriesAccessory Nerve DiseasesSpinal CordSpinal Cord InjuriesNerve TransferParalysisNeck DissectionShoulderNeck MusclesGlossopharyngeal NerveScapulaThoracic NervesNeckIatrogenic DiseaseSpinal Cord DiseasesWhiplash InjuriesSpinal Cord CompressionBrachial PlexusSpinal Cord NeoplasmsBrachial Plexus NeuropathiesShoulder PainShoulder JointSciatic NerveSpinal NervesSpinal Cord IschemiaSpinal Nerve RootsPeripheral NervesNerve RegenerationElectromyographyNodose GanglionInjections, SpinalMuscular AtrophyNerve FibersMotor NeuronsParaplegia