Spinal Cord InjuriesParaplegiaSpinal CordQuadriplegiaRecovery of FunctionParalysisNerve RegenerationAccidents, TrafficCervical VertebraeAccidental FallsTime FactorsDisability EvaluationRats, Sprague-DawleyInjury Severity ScoreDisease Models, AnimalMuscle SpasticityAxonsMotor ActivityThoracic VertebraeActivities of Daily LivingMicrogliaRetrospective StudiesAstrocytesContusionsAcute DiseaseSpinal Cord DiseasesSpinal Cord CompressionMagnetic Resonance ImagingTreatment OutcomeWounds and InjuriesAutonomic DysreflexiaSpinal Cord NeoplasmsHematoma, Epidural, SpinalSpinal Cord RegenerationUrinary Bladder, NeurogenicSpinal Cord IschemiaWheelchairsLocomotionInjections, SpinalSpinal InjuriesElectric Stimulation TherapyMotor NeuronsThrombophlebitisBrain InjuriesAge FactorsPressure UlcerMyelitisLaminectomySpinal Nerve RootsAthletic InjuriesSpinal NervesNeuralgiaElectromyographyPyramidal Tracts