Amputation StumpsArtificial LimbsProsthesis FittingAmputeesHindlimbPhantom LimbAmputationDisarticulationProsthesis DesignLegLower ExtremityTibiaSciatic NerveLimb BudsPeripheral NervesAnthropometryNerve FibersOptic NerveNeoplasm, ResidualNerve RegenerationExtremitiesNerve BlockSural NerveNerve EndingsMedian NervePeripheral Nerve InjuriesTibial NerveNerve CrushFacial NerveUlnar NerveLimb SalvageLimb Deformities, CongenitalSpinal NervesFemoral NerveNerve Growth FactorTrigeminal NerveNerve Growth FactorsRadial NervePhrenic NerveSpinal Nerve RootsCranial NervesNerve Compression SyndromesNerve TissueOphthalmic NerveMandibular NerveNeural ConductionCochlear NerveSplanchnic NervesGlossopharyngeal NerveNerve Fibers, MyelinatedOptic Nerve InjuriesElectric StimulationThoracic NervesOptic Nerve Diseases