Muscle, SkeletalMuscle ContractionMuscle Fibers, SkeletalMusclesIsometric ContractionMuscle ProteinsTroponin CMuscle, SmoothMuscle FatigueTroponinMyosinsCalciumRabbitsElectric StimulationTropomyosinMuscle DevelopmentMuscle, Smooth, VascularMuscle Fibers, Fast-TwitchRegional Blood FlowMuscle Fibers, Slow-TwitchMitochondria, MuscleUterine ContractionMuscle DenervationMyocardial ContractionMuscle RelaxationSatellite Cells, Skeletal MuscleMuscular AtrophyMyofibrilsElectromyographyMuscular DiseasesHindlimbQuadriceps MuscleMuscle CellsMyocytes, Smooth MuscleTime FactorsMuscle SpindlesGlycogenRats, WistarMuscle, StriatedRats, Sprague-DawleySarcoplasmic ReticulumMyoblastsMuscle WeaknessGuinea PigsSarcomeresMyosin Heavy ChainsVasoconstrictionPapillary MusclesPhysical ExertionMyocardiumOculomotor MusclesActinsNeck MusclesCells, CulturedInsulinDiaphragmRespiratory MusclesRNA, MessengerMyoblasts, SkeletalAdenosine TriphosphateTracheaExerciseIsotonic ContractionKineticsMotor NeuronsBiomechanical PhenomenaAbdominal MusclesGlucoseDose-Response Relationship, DrugPotassium ChlorideSarcolemmaMuscular Dystrophy, AnimalPhosphorylationSignal TransductionCaffeineMyoD ProteinMyostatinOxygen ConsumptionPsoas MusclesNeuromuscular JunctionPhysical EnduranceAcetylcholinePhysical Conditioning, AnimalRyanodine Receptor Calcium Release ChannelModels, BiologicalPhosphocreatineRegenerationMice, Inbred mdxMice, Inbred C57BLDogsFacial MusclesGlucose Transporter Type 4Myosin Light ChainsEnergy MetabolismMolecular Sequence DataMasticatory MusclesMasseter MuscleMembrane PotentialsTorqueAnura