Muscle Fibers, Slow-TwitchMusclesMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchMuscle ContractionMuscle, SkeletalMyofibrilsMuscle DenervationActin CytoskeletonMuscle ProteinsSarcoplasmic ReticulumSarcomeresMuscle, SmoothMotor NeuronsCalciumThiadiazinesMyocardiumElectric StimulationNeural ConductionIsometric ContractionMuscle DevelopmentMuscle, Smooth, VascularRabbitsMyocardial ContractionRana temporariaNerve FibersCatsTime FactorsMuscle, StriatedPsoas MusclesPapillary MusclesAnuraMitochondria, MuscleNeuromuscular JunctionMuscle FatigueTroponin IMyosinsMicroscopy, ElectronMuscle RelaxationDiaphragmCalcium-Transporting ATPasesMyosin Heavy ChainsDiacetylTroponinTroponin CAequorinMuscle SpindlesRana pipiensDietary FiberOculomotor MusclesHeartElectromyographyMuscular AtrophyAction PotentialsBiomechanical PhenomenaMuscular DiseasesTropomyosinHistological TechniquesCardiac MyosinsMuscle WeaknessActinsMembrane PotentialsMotor EndplateHindlimbThoracicaQuadriceps MuscleRespiratory MusclesMasseter MuscleNeck MusclesMyocytes, Smooth MuscleMuscular Dystrophy, AnimalRats, WistarMolecular Sequence DataSatellite Cells, Skeletal MuscleMasticatory MusclesMineral FibersAbdominal MusclesRats, Sprague-DawleyBase SequenceCaffeineKineticsSnakesIntercostal MusclesMice, Inbred mdxRats, Inbred StrainsHistocytochemistryCells, CulturedAzocinesModels, BiologicalHeart VentriclesSarcolemmaAdenosine TriphosphateRanidaeAdenosine TriphosphatasesCa(2+) Mg(2+)-ATPaseMuscle CellsCreatine KinaseTroponin TFacial MusclesFerrets