Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueTropomyosinCalciumRabbitsElectric StimulationMuscle, SmoothDietary SupplementsRegional Blood FlowMuscle, Smooth, VascularMuscle DevelopmentMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMitochondria, MuscleMuscle RelaxationMyocardial ContractionUterine ContractionMuscle DenervationElectromyographySatellite Cells, Skeletal MuscleMyofibrilsTime FactorsMuscular AtrophyHindlimbMuscular DiseasesRats, WistarRats, Sprague-DawleyMuscle SpindlesDose-Response Relationship, DrugGlycogenMyocytes, Smooth MuscleMuscle CellsQuadriceps MuscleMuscle, StriatedSarcomeresGuinea PigsActinsVasoconstrictionPhysical ExertionTracheaSarcoplasmic ReticulumMyocardiumMuscle WeaknessCells, CulturedMyosin Heavy ChainsMyoblastsInsulinExerciseAdenosine TriphosphateRNA, MessengerBiomechanical PhenomenaDiaphragmMyosin Light ChainsPotassium ChlorideKineticsPapillary MusclesMotor NeuronsNeck MusclesOculomotor MusclesGlucoseIsotonic ContractionPhosphorylationAcetylcholineModels, BiologicalPhysical EnduranceSignal TransductionPhysical Conditioning, AnimalRespiratory MusclesOxygen ConsumptionEnergy MetabolismBody WeightCaffeineMice, Inbred C57BLNeuromuscular JunctionAbdominal MusclesPhosphocreatinePeristalsisFood, FortifiedSarcolemmaAgingMyoblasts, SkeletalDouble-Blind MethodDogsRyanodine Receptor Calcium Release ChannelPsoas MusclesMuscular Dystrophy, AnimalActomyosinTorqueMolecular Sequence DataMuscle TonusAnimal FeedGlucose Transporter Type 4