Muscle StrengthMuscle, SkeletalMusclesMuscle Fibers, SkeletalMuscle ProteinsMuscle Strength DynamometerMuscle ContractionRespiratory MusclesMuscle WeaknessMuscle, SmoothMuscle DevelopmentMuscle, Smooth, VascularIsometric ContractionMuscle Fibers, Fast-TwitchMuscle FatigueMuscle Fibers, Slow-TwitchQuadriceps MuscleMitochondria, MuscleHand StrengthMuscle DenervationMuscular AtrophyMuscular DiseasesSatellite Cells, Skeletal MuscleNeck MusclesResistance TrainingAbdominal MusclesMuscle, StriatedMyocytes, Smooth MusclePhysical EnduranceOculomotor MusclesElectromyographyMuscle RelaxationTensile StrengthKneeTorqueExerciseMuscle CellsTime FactorsMuscle SpindlesSarcopeniaWeight LiftingAgingBiomechanical PhenomenaLegRabbitsPapillary MusclesExercise TherapyMyofibrilsMyosin Heavy ChainsNeuromuscular DiseasesDiaphragmThighHindlimbCalciumElectric StimulationMasseter MuscleMyoblastsGlycogenMyostatinBreathing ExercisesOxygen ConsumptionPhysical FitnessMasticatory MusclesPhysical ExertionFacial MusclesMice, Inbred mdxIntercostal MusclesMuscular Dystrophy, DuchenneMuscular Dystrophy, AnimalCells, CulturedRNA, MessengerInspiratory CapacityRats, Sprague-DawleyMyoblasts, SkeletalKnee JointMaximal Voluntary VentilationPsoas MusclesInsulinPectoralis MusclesExercise TestBody CompositionMuscle Stretching ExercisesMyoD ProteinExercise ToleranceRange of Motion, ArticularMice, Inbred C57BLPostural BalanceMuscular DystrophiesRats, WistarRegenerationWalkingMyositisAnalysis of VarianceShear StrengthInhalationSarcoplasmic ReticulumCreatine KinaseDystrophinMotor ActivityKinetics