Muscle WeaknessMuscle, SkeletalMusclesMuscle DenervationMuscle ContractionMuscle ProteinsMuscle Fibers, SkeletalMuscle DevelopmentMuscular AtrophyMuscle FatigueMyopathies, NemalineMuscular DiseasesMuscle Fibers, Fast-TwitchRespiratory MusclesMuscular Dystrophy, AnimalMuscle, SmoothMuscle Fibers, Slow-TwitchIsometric ContractionNeuromuscular DiseasesMyositis, Inclusion BodyMuscle, Smooth, VascularMitochondria, MuscleOculomotor MusclesParalysisHypertrophyPolymyositisMyositisHindlimb SuspensionMotor NeuronsElectric StimulationHindlimbMice, Inbred mdxSatellite Cells, Skeletal MuscleNeuromuscular JunctionMyosin Heavy ChainsDiaphragmMuscle StrengthQuadriceps MuscleMyofibrilsElectromyographyMotor EndplateDermatomyositisHypokalemic Periodic ParalysisMyopathies, Structural, CongenitalMuscular DystrophiesMyasthenia GravisTime FactorsGlycogenMyasthenic Syndromes, CongenitalMyogeninMyocytes, Smooth MuscleNeck MusclesMuscle HypotoniaRespiratory ParalysisRats, WistarMuscular Dystrophy, DuchenneCalciumMuscle, StriatedRegenerationMuscle Strength DynamometerMuscular Dystrophies, Limb-GirdleMuscle SpindlesAgingNerve RegenerationMuscle RelaxationPapillary MusclesRats, Sprague-DawleyRhabdomyolysisRabbitsOphthalmoplegiaDistal MyopathiesMice, Inbred C57BLLambert-Eaton Myasthenic SyndromeHypokalemiaImmunohistochemistryMyotonic DystrophyAbdominal MusclesFacial MusclesCharcot-Marie-Tooth DiseaseRNA, MessengerMuscle CellsReceptors, CholinergicMyosinsMonocrotophosMasseter MuscleOrgan SizeGlycogen Storage Disease Type IICreatine KinaseMasticatory MusclesMyotoniaIntercostal MusclesParalyses, Familial PeriodicBiomechanical PhenomenaPostpoliomyelitis SyndromeInspiratory CapacityDystrophinSignal TransductionAction PotentialsMuscular Atrophy, SpinalMotor Neuron Disease