MyofibrilsMuscle Fibers, SkeletalMusclesMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMuscle, SkeletalMuscle ContractionMuscle ProteinsSarcomeresMuscle DevelopmentPsoas MusclesMuscle, SmoothConnectinMuscle DenervationNerve FibersMyosinsMuscle, Smooth, VascularRabbitsIsometric ContractionRana temporariaMitochondria, MuscleMuscle FatigueActininMyosin Heavy ChainsCalciumTroponinTroponin CMuscle, StriatedMyocardiumMuscle RelaxationMicroscopy, ElectronMuscular DiseasesDietary FiberActinsMuscular AtrophyMuscle SpindlesOculomotor MusclesAnuraRana pipiensDesminNeuromuscular JunctionAdenosine TriphosphatasesSarcolemmaElectric StimulationPectoralis MusclesTime FactorsMyosin SubfragmentsTropomyosinChickensThoracicaBiomechanical PhenomenaMuscle WeaknessPapillary MusclesNeck MusclesRana esculentaMyocytes, Smooth MuscleSarcoplasmic ReticulumDiaphragmMasseter MuscleMotor NeuronsSatellite Cells, Skeletal MuscleMuscular Dystrophy, AnimalElectromyographyMineral FibersQuadriceps MuscleKineticsMembrane PotentialsHistocytochemistryActomyosinHindlimbRespiratory MusclesAdenosine TriphosphateMice, Inbred mdxCells, CulturedMasticatory MusclesAbdominal MusclesChick EmbryoIntercostal MusclesDystrophinHeartMuscle CellsPostmortem ChangesFacial MusclesStrontiumMotor EndplateFluorescent Antibody TechniqueActin CytoskeletonCotton FiberFlight, AnimalElasticityCreatine KinaseAction PotentialsModels, BiologicalStress, MechanicalTroponin IRats, WistarCaffeineTropomodulinMyocardial ContractionGlycogen