Muscle Fibers, SkeletalMusclesNeuronsMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMuscle, SkeletalMuscle ContractionMuscle ProteinsMotor NeuronsNeurons, AfferentMuscle DevelopmentMuscle, SmoothNerve FibersMuscle DenervationMuscle, Smooth, VascularMyofibrilsAction PotentialsMuscle FatigueRana temporariaElectric StimulationIsometric ContractionCalciumMitochondria, MuscleMyosin Heavy ChainsMembrane PotentialsPsoas MusclesDietary FiberMuscle SpindlesTime FactorsNeuromuscular JunctionOculomotor MusclesSarcomeresCells, CulturedMuscular AtrophyElectrophysiologyMuscle RelaxationMuscle, StriatedMuscular DiseasesAxonsRana pipiensRats, WistarThoracicaMuscle WeaknessImmunohistochemistryElectromyographyRabbitsNeck MusclesCatsMyocytes, Smooth MuscleDiaphragmHindlimbMasseter MuscleAnuraSynapsesSatellite Cells, Skeletal MuscleMuscular Dystrophy, AnimalHistocytochemistryQuadriceps MuscleMineral FibersPatch-Clamp TechniquesSynaptic TransmissionRespiratory MusclesMasticatory MusclesPapillary MusclesMice, Inbred mdxAbdominal MusclesRats, Sprague-DawleyAnimals, NewbornMice, Inbred C57BLMicroscopy, ElectronDopaminergic NeuronsMyosinsIntercostal MusclesMuscle CellsSpinal CordBiomechanical PhenomenaFacial MusclesMotor EndplateModels, BiologicalNeural ConductionTetrodotoxinCotton FiberPectoralis MusclesSarcoplasmic ReticulumRNA, MessengerSarcolemmaKineticsMice, TransgenicNerve Tissue ProteinsRegenerationDystrophinGABAergic NeuronsHippocampusGanglia, SpinalNADH Tetrazolium ReductaseAgingSensory Receptor CellsCaffeineCell DifferentiationRanidae