GaitGait Disorders, NeurologicGait ApraxiaOffice ManagementHigher Nervous ActivityBasal Ganglia Cerebrovascular DiseaseWalkingApraxia, IdeomotorAccidental FallsMobility LimitationPostural BalanceMovement DisordersGeriatric AssessmentPedunculopontine Tegmental NucleusLameness, AnimalBiomechanical PhenomenaNeurologic ExaminationGait AtaxiaParkinson DiseaseDiagnosis, Computer-AssistedRange of Motion, ArticularAgingNervous System DiseasesBipolar DisorderMental DisordersAnxiety DisordersMood DisordersOrthotic DevicesAnkle JointLocomotionFootWalkersDiagnostic and Statistical Manual of Mental DisordersParesisHemiplegiaKnee JointAmputeesBrainTime FactorsCerebral PalsyAccelerationMagnetic Resonance ImagingReproducibility of Results