SarcomeresConnectinMuscle ProteinsMyofibrilsMusclesMuscle, SkeletalMuscle Fibers, SkeletalMuscle ContractionMuscle DevelopmentMuscle, SmoothPsoas MusclesMuscle, StriatedMuscle, Smooth, VascularActininIsometric ContractionMuscle SpindlesMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMyocardiumMuscle RelaxationMuscle CellsMuscle Fibers, Slow-TwitchTropomodulinBiomechanical PhenomenaRabbitsMyocytes, Smooth MuscleMicroscopy, ElectronMitochondria, MuscleMuscular DiseasesActin CytoskeletonActinsRana temporariaMyosinsNeck MusclesOculomotor MusclesDesminElasticityCalciumTropomyosinIsotonic ContractionMyosin Heavy ChainsStress, MechanicalRespiratory MusclesMyocardial ContractionMuscle WeaknessPapillary MusclesAnuraHeartCells, CulturedMyocytes, CardiacTime FactorsAbdominal MusclesQuadriceps MuscleProtein KinasesMasseter MuscleElectric StimulationFacial MusclesMasticatory MusclesIntercostal MusclesElectromyographyMuscular AtrophyFlight, AnimalModels, BiologicalImmobilizationSarcolemmaSatellite Cells, Skeletal MuscleMicromanipulationPectoralis MusclesSarcoplasmic ReticulumRats, Sprague-DawleyLIM Domain ProteinsProtein IsoformsChickensRats, WistarMicroscopy, ImmunoelectronMicrofilament Proteins