Muscle WeaknessMusclesMuscle, SkeletalMuscle ProteinsLikelihood FunctionsMyopathies, NemalineMuscle Fibers, SkeletalMuscular DiseasesRespiratory MusclesMuscle ContractionMuscle, SmoothNeuromuscular DiseasesMuscle, Smooth, VascularMuscle DevelopmentMuscle FatigueMuscular AtrophyPolymyositisMyositisMuscle Fibers, Slow-TwitchMuscle Fibers, Fast-TwitchDiaphragmMuscle StrengthQuadriceps MuscleElectromyographyMitochondria, MuscleDermatomyositisHypokalemic Periodic ParalysisMuscle DenervationIsometric ContractionMyopathies, Structural, CongenitalMuscular DystrophiesMyasthenia GravisMyasthenic Syndromes, CongenitalMyocytes, Smooth MuscleMyositis, Inclusion BodyOculomotor MusclesNeck MusclesMuscle HypotoniaRespiratory ParalysisMuscular Dystrophy, DuchenneMuscle, StriatedMuscle Strength DynamometerMuscular Dystrophies, Limb-GirdleMuscle SpindlesMuscle RelaxationNeuromuscular JunctionPapillary MusclesRhabdomyolysisMyosin Heavy ChainsOphthalmoplegiaDistal MyopathiesTime FactorsLambert-Eaton Myasthenic SyndromeHypokalemiaMuscular Dystrophy, AnimalMice, Inbred mdxMyotonic DystrophyMyofibrilsAbdominal MusclesFacial MusclesCharcot-Marie-Tooth DiseaseMuscle CellsReceptors, CholinergicMonocrotophosMasseter MuscleCreatine KinaseGlycogen Storage Disease Type IIPedigreeMasticatory MusclesBiomechanical PhenomenaPhenotypeMyotoniaIntercostal MusclesParalyses, Familial PeriodicPostpoliomyelitis SyndromeInspiratory CapacityDystrophinMutationMotor NeuronsMuscular Atrophy, SpinalMotor Neuron DiseaseCalciumSarcomeresSatellite Cells, Skeletal MuscleElectric StimulationDisease Models, AnimalParalysisMyoblastsParalysis, Hyperkalemic PeriodicTorqueBiopsyMyotonic DisordersNeural ConductionBreathing ExercisesRespiratory InsufficiencySyndromePectoralis MusclesBulbar Palsy, ProgressiveMuscular Dystrophy, OculopharyngealBrachial Plexus Neuritis