ThighMusclesMuscle, SkeletalMuscle ProteinsMuscle, SmoothMuscle ContractionTrack and FieldMuscle Fibers, SkeletalMuscle, Smooth, VascularQuadriceps MuscleMuscle DevelopmentIsometric ContractionElectromyographyMuscle StrengthMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationHindlimbMuscle Fibers, Slow-TwitchLegMyocytes, Smooth MuscleMitochondria, MuscleBiomechanical PhenomenaNeck MusclesOculomotor MusclesRabbitsMuscle, StriatedMuscle SpindlesMuscle WeaknessMuscle RelaxationBody CompositionRespiratory MusclesPapillary MusclesMagnetic Resonance ImagingTime FactorsKnee JointAbdominal MusclesExerciseAbsorptiometry, PhotonInjections, IntramuscularMuscle CellsMasseter MuscleMuscular AtrophyFacial MusclesMasticatory MusclesIntercostal MusclesTomography, X-Ray ComputedMuscular DiseasesSatellite Cells, Skeletal MuscleAnalysis of VarianceChickensRegional Blood FlowPectoralis MusclesPsoas MusclesMyofibrilsTemporal MuscleElectric StimulationCells, CulturedBody Mass IndexCalciumMyosin Heavy ChainsPharyngeal MusclesDiaphragmMotor NeuronsGlycogenNeuromuscular JunctionMuscle NeoplasmsMuscular Dystrophy, AnimalRats, Sprague-DawleyMyoblastsRNA, MessengerMuscle CrampActinsPhysical ExertionRats, WistarAgingRegenerationMice, Inbred mdxSarcomeresMyostatinMyoD ProteinPhysical EnduranceMuscle Stretching ExercisesMyocardiumDisabled PersonsMuscle RigidityTorqueInsulinMyositisOxygen ConsumptionHypertrophyKineticsCreatine KinaseDystrophinSignal TransductionMyoblasts, SkeletalModels, BiologicalAortaGene Expression RegulationTendons