Muscle SpindlesMotor Neurons, GammaMuscle, SkeletalMuscle Fibers, SkeletalMusclesMuscle ContractionMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMuscle ProteinsArytenoid CartilageMuscle DevelopmentMuscle, SmoothMuscle, Smooth, VascularMuscle DenervationMitochondria, MuscleMotor NeuronsMuscle FatigueLaryngeal MusclesMyofibrilsCatsMyosinsMuscular AtrophySatellite Cells, Skeletal MuscleIsometric ContractionMuscular DiseasesMyosin Heavy ChainsMechanoreceptorsRana temporariaNerve FibersOculomotor MusclesMuscle, StriatedMuscle RelaxationRabbitsCalciumPsoas MusclesMuscle WeaknessMyocytes, Smooth MuscleQuadriceps MuscleAction PotentialsSarcomeresNeck MusclesMuscle CellsHindlimbNeuromuscular JunctionElectric StimulationRespiratory MusclesMuscular Dystrophy, AnimalMyoblastsMasseter MuscleAxonsTime FactorsPapillary MusclesDiaphragmMice, Inbred mdxRana pipiensAbdominal MusclesGlycogenElectromyographySarcoplasmic Reticulum