MusclesMuscle ProteinsMuscle, SmoothMuscle, SkeletalMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle ContractionMuscle DevelopmentMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNeck MusclesOculomotor MusclesMuscle, StriatedMuscle SpindlesMuscle RelaxationRespiratory MusclesMuscle WeaknessPapillary MusclesAbdominal MusclesReproducibility of ResultsQuadriceps MuscleMuscle CellsTime FactorsMasseter MuscleFacial MusclesElectromyographyMasticatory MusclesIntercostal MusclesIsometric ContractionMuscular AtrophySatellite Cells, Skeletal MusclePectoralis MusclesRabbitsMuscular DiseasesBiomechanical PhenomenaCalciumPsoas MusclesHindlimbCells, CulturedMyofibrilsElectric StimulationTemporal MuscleKineticsModels, BiologicalRats, Sprague-DawleyMyosin Heavy ChainsReference ValuesDiaphragmPharyngeal MusclesSensitivity and SpecificityMotor NeuronsRNA, MessengerGlycogenRats, WistarNeuromuscular JunctionLegOxygen ConsumptionActinsObserver VariationMyocardiumAgingMuscular Dystrophy, AnimalAnalysis of VarianceExercisePhysical ExertionMyoblastsMuscle CrampMembrane PotentialsRegional Blood FlowSarcomeresDogsBody WeightInsulinDose-Response Relationship, DrugRegenerationMolecular Sequence DataMice, Inbred mdxAortaStress, MechanicalMyostatinEnergy MetabolismMice, Inbred C57BLGlucoseMovementOrgan SizeOxygenMuscle Stretching ExercisesMuscle RigidityCattleMyoD ProteinCalibrationSignal TransductionCatsAlgorithmsTendonsHydrogen-Ion Concentration