SarcomeresMuscle ContractionConnectinMuscle, SkeletalMuscle ProteinsMusclesMuscle Fibers, SkeletalIsometric ContractionTroponin CTroponinMyosinsMuscle FatigueMuscle, SmoothCalciumTropomyosinRabbitsMyofibrilsElectric StimulationMuscle DevelopmentMuscle, Smooth, VascularMyocardiumMyocardial ContractionMuscle Fibers, Fast-TwitchHeartRegional Blood FlowMuscle Fibers, Slow-TwitchMyocytes, CardiacPapillary MusclesMitochondria, MuscleMuscle RelaxationMuscle DenervationTime FactorsMyosin Heavy ChainsMuscle CellsRana temporariaElectromyographyMyocytes, Smooth MuscleMuscular DiseasesMuscle SpindlesRats, Sprague-DawleySatellite Cells, Skeletal MusclePsoas MusclesSarcoplasmic ReticulumActinsAnuraMuscle, StriatedBiomechanical PhenomenaMuscular AtrophyCells, CulturedRats, WistarHindlimbActin CytoskeletonGuinea PigsNeck MusclesQuadriceps MuscleOculomotor MusclesTroponin IMuscle WeaknessSarcolemmaUterine ContractionKineticsRespiratory MusclesHeart VentriclesRyanodine Receptor Calcium Release ChannelModels, BiologicalDogsCardiac MyosinsRNA, MessengerRana pipiensGlycogenDiaphragmAdenosine TriphosphateAbdominal MusclesCardiac OutputMolecular Sequence DataCaffeinePhosphorylationStress, MechanicalElasticityTroponin TPhysical ExertionSignal TransductionMuscular Dystrophy, AnimalDose-Response Relationship, DrugMyosin Light ChainsFacial MusclesMice, Inbred C57BLChickensMyoblastsMembrane PotentialsDystrophinTracheaMasticatory MusclesMotor NeuronsIsotonic ContractionMicroscopy, ElectronCatsProtein IsoformsMasseter MuscleCreatine Kinase