MusclesMuscle, SkeletalMuscle ContractionMuscle, SmoothMuscle ProteinsMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle FatigueMuscle DevelopmentMuscle Fibers, Fast-TwitchElectromyographyMuscle RelaxationMuscle Fibers, Slow-TwitchMuscle DenervationTorquePapillary MusclesNeck MusclesMyocytes, Smooth MuscleMuscle SpindlesMitochondria, MuscleQuadriceps MuscleMuscle WeaknessMuscle, StriatedIsotonic ContractionOculomotor MusclesBiomechanical PhenomenaElectric StimulationPsoas MusclesRespiratory MusclesAbdominal MusclesSarcomeresMasseter MuscleMuscle CellsMuscular AtrophyMasticatory MusclesTime FactorsRabbitsCalciumPhysical ExertionMuscle StrengthFacial MusclesRana temporariaMotor NeuronsIntercostal MusclesHindlimbKneeHand StrengthExerciseIsometric ContractionMuscle Strength DynamometerSatellite Cells, Skeletal MusclePhysical EnduranceMuscular DiseasesLegElbowPectoralis MusclesMyosin Heavy ChainsDiaphragmStress, MechanicalTendonsAnuraMovementThighRecruitment, NeurophysiologicalMusculoskeletal Physiological PhenomenaCells, CulturedMyocardial ContractionRats, Sprague-DawleyMyofibrilsTemporal MuscleRats, WistarPhosphocreatineVasoconstrictionActinsMuscle Stretching ExercisesNeuromuscular JunctionModels, BiologicalAdenosine TriphosphateMyographyMuscular Dystrophy, AnimalVolitionTracheaGlycogenElasticityAcetylcholineMyocardiumDose-Response Relationship, DrugAgingPharyngeal MusclesKineticsCatsArmReflex, StretchHindlimb SuspensionMyosinsGuinea PigsRana esculentaOxygen ConsumptionRNA, MessengerEnergy Metabolism