Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueTropomyosinCalciumRabbitsElectric StimulationMuscle, SmoothRegional Blood FlowMuscle, Smooth, VascularMuscle DevelopmentMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMitochondria, MuscleMuscle RelaxationMyocardial ContractionUterine ContractionKineticsElectromyographyMuscle DenervationMyofibrilsSatellite Cells, Skeletal MuscleTime FactorsMuscular AtrophyHindlimbMuscular DiseasesModels, BiologicalRats, Sprague-DawleyRats, WistarMuscle SpindlesGuinea PigsAdenosine TriphosphateActinsSarcomeresSarcoplasmic ReticulumMyocytes, Smooth MuscleGlycogenMuscle, StriatedQuadriceps MuscleMuscle CellsPhysical ExertionMyocardiumVasoconstrictionCells, CulturedTracheaRNA, MessengerDose-Response Relationship, DrugPapillary MusclesBiomechanical PhenomenaMuscle WeaknessPotassium ChlorideMyosin Heavy ChainsMyoblastsGlucoseInsulinMotor NeuronsPhosphorylationDiaphragmMyosin Light ChainsOxygen ConsumptionNeck MusclesOculomotor MusclesDogsExerciseSignal TransductionIsotonic ContractionAcetylcholineMembrane PotentialsMolecular Sequence DataPotassiumCaffeineNeuromuscular JunctionRespiratory MusclesPsoas MusclesEnergy MetabolismSarcolemmaAbdominal MusclesPeristalsisRyanodine Receptor Calcium Release ChannelPhosphocreatineMyoblasts, SkeletalMice, Inbred C57BLPhysical EndurancePhysical Conditioning, AnimalActomyosinMuscular Dystrophy, AnimalGene Expression RegulationTorqueCatsMuscle TonusAmino Acid SequenceFacial MusclesAnura