ForelimbHindlimbLocomotionMuscle, SkeletalExtremitiesIschemiaLimb BudsCatsMotor CortexAnatomy, ComparativeLameness, AnimalBiomechanical PhenomenaPyramidal TractsElectromyographyMovementSpinal CordRed NucleusCarpus, AnimalElectric StimulationUlnaDecerebrate StateSomatosensory CortexRecovery of FunctionScandentiaRats, Sprague-DawleyLimb Deformities, CongenitalAmputation StumpsSpinal Cord InjuriesMotor NeuronsMotor ActivityTurtlesNeovascularization, PhysiologicFunctional LateralityNotophthalmus viridescensEfferent PathwaysSalamandridaeGaitWeight-BearingSlothsMusculoskeletal DevelopmentDisease Models, AnimalRegional Blood FlowAfferent PathwaysHumerusDinosaursMusclesT-Box Domain ProteinsPhysical Conditioning, AnimalBehavior, AnimalJointsRegenerationMuscular AtrophyTime FactorsWeightlessness SimulationAlligators and CrocodilesFossilsMotor SkillsLaser-Doppler FlowmetryDenervationGene Expression Regulation, DevelopmentalNeurons, AfferentRats, Long-EvansRats, WistarElectrodes, ImplantedPhysical StimulationSaimiriBody PatterningVideo RecordingReflexBones of Upper ExtremityMovement DisordersSwimmingMuscle ContractionFelidaeRunningAnimals, NewbornAmputationImmobilizationSpinal Cord StimulationCollateral CirculationAdaptation, PhysiologicalDogsPeripheral Nerves