Hip JointHipOsteoarthritis, HipJointsArthroplasty, Replacement, HipMusclesHip ProsthesisHip Dislocation, CongenitalHip Dysplasia, CanineKnee JointHip FracturesHip InjuriesFemur HeadJoint DiseasesMuscle, SkeletalHip DislocationMuscle ProteinsMuscle, SmoothAcetabulumAnkle JointMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle ContractionBiomechanical PhenomenaMuscle DevelopmentJoint CapsuleDromaiidaeRange of Motion, ArticularFinger JointFemur Head NecrosisGaitMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchJoint InstabilityCartilage, ArticularOsteoarthritisFemurWeight-BearingMyocytes, Smooth MuscleElectromyographyTarsal JointsMitochondria, MuscleWrist JointNeck MusclesArthritis, InfectiousArthrographyTorqueOculomotor MusclesOsteotomyMuscle SpindlesArthralgiaMuscle, StriatedMuscle WeaknessBone Diseases, DevelopmentalPelvisProsthesis FailureMuscle RelaxationRespiratory MusclesPostureProsthesis-Related InfectionsLubricationStress, MechanicalPapillary MusclesQuadriceps MuscleSacroiliac JointDisarticulationMovementAbdominal MusclesProsthesis DesignWalkingAnatomy, ComparativeLocomotionTime FactorsSynovial CystMuscle CellsSynovial FluidLigaments, ArticularOsteonecrosisMasticatory MusclesBone CementsLegg-Calve-Perthes DiseaseMasseter MuscleFemoracetabular ImpingementObturator NerveIsometric ContractionFacial MusclesIntercostal MusclesTreatment OutcomeLegMuscular AtrophyOsteoarthritis, KneeTemporomandibular Joint DisordersPainHindlimbPostural BalanceReoperationFoot JointsJoint Prosthesis