Posterior Tibial Tendon DysfunctionTendonsMetatarsusFlatfootTendon InjuriesAchilles TendonTendon TransferPatellar LigamentTendinopathyRuptureRotator CuffBiomechanical PhenomenaTensile StrengthLigamentsTenosynovitisTenotomyStress, MechanicalFinger InjuriesSuture TechniquesPatellaWeight-BearingCadaverBursa, SynovialCollagen