Quadriceps MuscleTendonsTendon InjuriesPatellar LigamentPatellaRuptureTearsKnee InjuriesKneePatellofemoral Pain SyndromeKnee JointAchilles TendonRupture, SpontaneousThighTendon TransferRotator CuffMuscle StrengthTendinopathyMuscle, SkeletalMuscle WeaknessIsometric ContractionAnterior Cruciate LigamentTorqueBiomechanical PhenomenaFemoral NerveRange of Motion, ArticularArthroscopyMuscle FatigueMuscle ContractionMuscle Strength DynamometerElectromyographyMenisci, TibialLegLigaments, ArticularWeight-BearingMusclesOsteoarthritis, KneeElectric Stimulation TherapyJoint InstabilityAthletic InjuriesLigamentsShoulder JointReconstructive Surgical ProceduresOrthopedic ProceduresCadaverMuscular AtrophySuture TechniquesStress, MechanicalExerciseTensile StrengthSuture AnchorsTenodesisRecovery of FunctionGaitTenotomyAnterior Cruciate Ligament ReconstructionWeight LiftingExercise TherapyPhysical Conditioning, HumanReflex, StretchH-ReflexPhysical EnduranceSprains and StrainsLacrimal ApparatusPatellofemoral JointMuscular DiseasesMagnetic Resonance ImagingAnkle JointArthroplasty, Replacement, KneeMusculoskeletal Physiological PhenomenaElectric StimulationTenosynovitisLacerationsBursa, SynovialArthralgiaPosterior Tibial Tendon DysfunctionHydrarthrosisProprioceptionShoulderDry Eye SyndromesTreatment OutcomeBone-Patellar Tendon-Bone GraftingTime FactorsWound HealingLipocalin 1FemurFinger InjuriesTibiaMovementBasketballPain MeasurementPhysical ExertionElastic ModulusWalkingExercise TestCollagenResistance TrainingTrack and FieldPulmonary Disease, Chronic ObstructiveImmobilization