Chondromalacia PatellaePatellofemoral Pain SyndromePatellaCartilage DiseasesPatellofemoral JointKnee JointJoint DiseasesFlatfootJoint InstabilityCartilage, ArticularFemurKnee InjuriesArthralgiaKneePatellar LigamentOsteoarthritis, KneePatellar DislocationIntegrin-Binding SialoproteinBiomechanical PhenomenaArthroplasty, Replacement, KneeRange of Motion, ArticularPainPain MeasurementKnee ProsthesisSurgical TapeArthroscopyAthletic TapeQuadriceps MuscleTorsoCollateral LigamentsOsteochondrosisTracheobronchomalaciaOrthotic DevicesArthroplasty, SubchondralAnterior Cruciate LigamentHipBaseballTorqueBracesRunningMuscle StrengthFootHip JointBone-Patellar Tendon-Bone GraftingTreatment OutcomePain, PostoperativeRotationSubtalar JointMagnetic Resonance ImagingArthrometry, ArticularTibiaExercise TherapyDislocationsGaitPronationBone MalalignmentPain ManagementPhysical Therapy Modalities