Motor EndplateNeuromuscular JunctionMotor NeuronsReceptors, CholinergicAcetylcholinesteraseTubocurarineNeuromuscular DiseasesMuscle DenervationBungarotoxinsDiaphragmSchwann CellsMusclesAcetylcholineMuscle, SkeletalEvoked Potentials, MotorMotor CortexMuscle Fibers, SkeletalMotor ActivitySynaptic TransmissionIntervertebral DiscColubridaeMolecular Motor ProteinsRana pipiensLumbar VertebraeSnakesAmphibian VenomsIntervertebral Disc DegenerationMotor Skills DisordersMethylguanidineRana ridibundaTotal Disc ReplacementMovementElectromyographySpineMyasthenic Syndromes, CongenitalNeuromuscular Junction DiseasesMyasthenia GravisElectric StimulationNerve EndingsTime FactorsCadaverPhrenic NerveBiomechanical PhenomenaEchothiophate IodideSymptom AssessmentPsychomotor Performance