BackIntermediate Back MusclesBack MusclesLumbosacral RegionSuperficial Back MusclesLow Back PainMuscle, SkeletalAbdomenAbdomen, AcuteMuscle FatigueMusclesElectromyographyAbdominal MusclesPostureMuscle ProteinsMuscle, SmoothSpineProprioceptionBack PainPostural BalanceMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle DevelopmentMuscle ContractionMuscle StrengthLumbar VertebraeMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNeck MusclesOculomotor MusclesMuscle, StriatedMuscle SpindlesRadiography, AbdominalRespiratory MusclesMuscle RelaxationMuscle WeaknessPapillary MusclesQuadriceps MuscleBack InjuriesMuscle CellsMasseter MuscleFacial MusclesMasticatory MusclesAbdominal InjuriesIntercostal MusclesMuscular AtrophyIsometric ContractionAbdominal NeoplasmsSatellite Cells, Skeletal MusclePectoralis MusclesTime FactorsMuscular DiseasesPsoas MusclesBiomechanical PhenomenaLaparotomyDiaphragmMyofibrilsHindlimbTemporal MuscleRabbitsTomography, X-Ray ComputedElectric StimulationCells, CulturedCalciumMyosin Heavy ChainsAbdominal Wound Closure TechniquesThoraxPharyngeal MusclesMotor NeuronsGlycogenNeuromuscular JunctionRNA, MessengerRats, Sprague-DawleyLegThighMuscular Dystrophy, AnimalRats, WistarMyoblastsAbdominal CavityAbdominal PainPelvisMuscle CrampActinsMovementAbdominal WallPhysical ExertionRegenerationModels, Biological