Spastic Paraplegia, HereditaryParaplegiaParaparesis, SpasticMuscle SpasticityPedigreeGenes, RecessiveGenes, DominantAdaptor Protein Complex 4Adenosine TriphosphatasesParaparesis, Tropical SpasticReflex, BabinskiCerebellar AtaxiaSizofiranLod ScoreAgenesis of Corpus CallosumSpasmChromosomes, Human, Pair 2Pelizaeus-Merzbacher DiseaseMutation, MissenseSpinal Cord IschemiaMutationCerebral PalsyHuman CharacteristicsGenetic HeterogeneityAge of OnsetPhenotypeHereditary Sensory and Motor NeuropathyQuadriplegiaGenetic LinkageOptic AtrophySyndromeIntellectual DisabilityExomeConsanguinitySpinal CordLeukocyte L1 Antigen ComplexATP-Dependent ProteasesSpinocerebellar DegenerationsGTP PhosphohydrolasesChromosome MappingSpinal Cord InjuriesDNA Mutational AnalysisMetalloendopeptidasesMyelin Proteolipid ProteinHeterozygoteCorpus CallosumAxonsMotor NeuronsTuberculosis, SpinalParaparesisAortic Aneurysm, ThoracicSex Chromosome AberrationsMicrotubulesSpinal Cord CompressionMotor Neuron DiseaseOptic Atrophies, HereditaryHydrocephalusMagnetic Resonance ImagingLaminectomyCodon, NonsenseX ChromosomeHaplotypesNeural ConductionEndosomesChromosomes, Human, Pair 14Membrane ProteinsExonsEquinus Deformity