CockatoosMuscle, SkeletalMuscle Fibers, SkeletalMusclesMuscle ContractionMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMuscle ProteinsMuscle, SmoothElectromyographyMuscle DevelopmentBiomechanical PhenomenaMuscle, Smooth, VascularMuscle DenervationMuscle FatigueMitochondria, MuscleMyofibrilsNerve FibersOculomotor MusclesMuscle SpindlesIsometric ContractionMuscle, StriatedMuscle RelaxationMyocytes, Smooth MuscleNeck MusclesMyosin Heavy ChainsRana temporariaPsoas MusclesMuscle WeaknessMuscular AtrophyRespiratory MusclesMuscular DiseasesPapillary MusclesMasseter MuscleQuadriceps MuscleNeuromuscular JunctionSarcomeresAbdominal MusclesCalciumSatellite Cells, Skeletal MuscleMuscle CellsMasticatory MusclesElectric StimulationIntercostal MusclesFacial MusclesRabbitsDietary FiberDiaphragmHindlimbMotor NeuronsTime FactorsPectoralis MusclesRana pipiensMuscular Dystrophy, AnimalAnuraMice, Inbred mdxThoracicaMembrane PotentialsCells, CulturedSarcoplasmic ReticulumMyoblastsTemporal MuscleRegenerationMotor EndplateSarcolemmaDystrophinHistocytochemistryAction PotentialsGlycogenMineral FibersRats, WistarActinsMicroscopy, ElectronSkeletal Muscle MyosinsRats, Sprague-DawleyTendonsMyosinsMuscular DystrophiesKineticsNADH Tetrazolium ReductaseModels, BiologicalCaffeinePharyngeal MusclesCatsRNA, MessengerHypertrophyMyostatinImmunohistochemistryReceptors, CholinergicCotton FiberRanidaeRana esculentaHindlimb SuspensionMyoD ProteinAgingStress, MechanicalMyositisPhysical ExertionAdenosine TriphosphateMuscle Rigidity