Muscle WeaknessMusclesMuscle ProteinsMuscle, SkeletalMuscle, SmoothMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle ContractionMuscle DevelopmentMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchRespiratory MusclesMitochondria, MuscleMyocytes, Smooth MuscleMuscular DiseasesOculomotor MusclesNeck MusclesQuadriceps MuscleMuscular AtrophyMuscle, StriatedMuscle SpindlesMuscle RelaxationElectromyographyPapillary MusclesAbdominal MusclesFacial MusclesMuscle CellsIsometric ContractionMasseter MuscleMasticatory MusclesDiaphragmIntercostal MusclesNeuromuscular DiseasesSatellite Cells, Skeletal MusclePectoralis MusclesMyofibrilsMyositisPsoas MusclesTime FactorsElectric StimulationMyopathies, NemalineHindlimbMyosin Heavy ChainsTemporal MusclePharyngeal MusclesBiomechanical PhenomenaNeuromuscular JunctionRabbitsMotor NeuronsCalciumCells, CulturedMuscular DystrophiesMuscular Dystrophy, AnimalMyoblastsMice, Inbred mdxMuscle Strength DynamometerGlycogenHypokalemic Periodic ParalysisRNA, MessengerRats, Sprague-DawleyActinsLegSarcomeresParalysisMuscular Dystrophy, DuchenneMuscle HypotoniaPolymyositisMuscle CrampMyostatinCreatine KinaseRats, WistarDystrophinNeural ConductionPhysical ExertionThighExerciseTorqueMyasthenia GravisReceptors, CholinergicMuscle SpasticityRegenerationSarcopeniaMyositis, Inclusion BodyAgingDermatomyositisMyocardiumMyoD ProteinHypertrophyPhysical EnduranceMice, Inbred C57BLHindlimb SuspensionTendonsMuscle Stretching ExercisesMuscle RigidityGene Expression RegulationSignal TransductionImmunohistochemistryMuscle Relaxants, Central