Weight-BearingExercise TestExercise TherapyExerciseBody WeightExercise ToleranceWeight LossFoot InjuriesPhysical ExertionWeight GainCrutchesWalkersMuscle, SkeletalDancingFootMetatarsal BonesTibiaHindlimb SuspensionKnee JointGaitFemoral FracturesPhotogrammetryBone NailsOxygen ConsumptionBone PlatesRange of Motion, ArticularMolecular WeightBirth WeightPhysical EnduranceTime FactorsEarly AmbulationRecovery of FunctionBiomechanical PhenomenaTarsal BonesFracture HealingTibial FracturesCalcaneusOsteotomyFracture Fixation, IntramedullaryPhysical Therapy ModalitiesHip JointAnkle InjuriesShoesIlizarov TechniqueFemurHallux ValgusMetatarsophalangeal JointTreatment OutcomePostureHindlimbBracesLocomotionCementationFracture Fixation, InternalImmobilizationHeart RateIodoacetatesOsteoarthritisBicyclingAnkle JointCartilage, ArticularAnalysis of VarianceRestPhysical FitnessOsteoarthritis, KneeOrthopedic ProceduresSurgical Procedures, Minimally InvasiveFibulaResistance TrainingRunningArthroplasty, Replacement, HipFollow-Up StudiesObesityOsteoarthritis, HipAnaerobic ThresholdBone DensityMuscle Stretching ExercisesStress, MechanicalPain MeasurementLactic AcidPulmonary Gas ExchangeHip ProsthesisPainRats, Sprague-DawleyDisease Models, AnimalWeight LiftingBlood PressureProspective StudiesMovementEnergy MetabolismPressureBone TransplantationBreathing ExercisesBody Mass IndexBody CompositionOrgan SizeFetal WeightPhysical Education and TrainingInfant, Low Birth WeightLeg