PostureMusclesMuscle, SkeletalMuscle ProteinsMuscle, SmoothMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle ContractionMuscle DevelopmentMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationNeck MusclesMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleElectromyographyBiomechanical PhenomenaOculomotor MusclesRespiratory MusclesAbdominal MusclesMuscle, StriatedMuscle RelaxationMuscle WeaknessMuscle SpindlesSupine PositionPapillary MusclesMasticatory MusclesQuadriceps MuscleMovementMuscle CellsMasseter MuscleIsometric ContractionFacial MusclesIntercostal MusclesHuman EngineeringPostural BalanceMuscular AtrophyBackSatellite Cells, Skeletal MusclePectoralis MusclesHindlimbArmMuscular DiseasesProne PositionSpinal CurvaturesLocomotionTime FactorsElectric StimulationPsoas MusclesProprioceptionDiaphragmLegWeight-BearingMyofibrilsTemporal MuscleSpineRabbitsHandHeadMotor NeuronsCells, CulturedMyosin Heavy ChainsShoulderCalciumPharyngeal MusclesPhysical ExertionNeuromuscular JunctionTorqueMuscle Stretching ExercisesModels, BiologicalGravitationGlycogenGaitMuscle RigidityWristRats, Sprague-DawleyLordosisLiftingMuscular Dystrophy, AnimalAdaptation, PhysiologicalMyoblastsVibrationRNA, MessengerExerciseMuscle CrampHand StrengthActinsRats, WistarSupinationFootComputer TerminalsCumulative Trauma DisordersMusculoskeletal Physiological PhenomenaMusculoskeletal DiseasesTendonsCatsAgingPressureStress, Mechanical