WalkingChromosome WalkingBiomechanical PhenomenaGait Disorders, NeurologicLocomotionEnvironment DesignOrthotic DevicesFootAnkle JointExercise TestPostural BalanceWalkersIntermittent ClaudicationAnkleCanesTransportationExercise TherapyElectromyographyLegAccelerationShoesMobility LimitationWeight-BearingRunningMotor ActivityCrutchesArtificial LimbsMuscle, SkeletalLower ExtremityBicyclingMonitoring, AmbulatoryEnergy MetabolismExerciseKnee JointExercise TolerancePostureResidence CharacteristicsRoboticsRecovery of FunctionTime FactorsActivities of Daily LivingDisability EvaluationRange of Motion, ArticularHip JointParesisAmputeesAccidental FallsPeripheral Arterial DiseaseHipMuscle StrengthExtremitiesHemiplegiaSelf-Help DevicesPhysical ExertionOxygen ConsumptionTreatment OutcomeKneeRecreationVideo RecordingAnalysis of VariancePhysical FitnessAdaptation, PhysiologicalQuestionnairesGravitationCerebral PalsySpinal Cord InjuriesMovementSafetyPhysical Therapy ModalitiesProprioceptionPsychomotor PerformanceFoot OrthosesPeripheral Vascular DiseasesOrthopedic EquipmentCross-Sectional StudiesStrokeCity PlanningMusculoskeletal Physiological Phenomena