Metatarsophalangeal JointHallux ValgusHallux RigidusHalluxToe JointFoot Deformities, AcquiredArthrodesisCatgutJoint ProsthesisFoot DiseasesArthroplastyRange of Motion, ArticularForefoot, HumanArthroplasty, ReplacementGoutMotionMetatarsusMotion PerceptionMetatarsal BonesHammer Toe SyndromeTarsal JointsCallositiesFoot JointsMetacarpophalangeal JointFollow-Up StudiesGranuloma, Foreign-BodyToesSilicone ElastomersFootShoesJointsArthrography