GaitWalkingBiomechanical PhenomenaGait Disorders, NeurologicGait AtaxiaGait ApraxiaLocomotionPostural BalanceOrthotic DevicesChromosome WalkingAnkle JointFootWalkersAccelerationLegShoesCanesElectromyographyExercise TestExercise TherapyCrutchesArtificial LimbsEnvironment DesignMobility LimitationKnee JointWeight-BearingAmputeesAccidental FallsParesisRunningRoboticsMuscle, SkeletalRange of Motion, ArticularHemiplegiaIntermittent ClaudicationLower ExtremityHip JointMotor ActivityAnklePostureCerebral PalsyTransportationMonitoring, AmbulatoryRecovery of FunctionKneeMuscle StrengthHipFoot OrthosesEnergy MetabolismPhysical Therapy ModalitiesDisability EvaluationTime FactorsExerciseOrthopedic EquipmentVideo RecordingActivities of Daily LivingLameness, AnimalAnalysis of VariancePsychomotor PerformanceParkinson DiseaseStrokeAdaptation, PhysiologicalMovementBicyclingExercise Tolerance