<prompt> Watson Jones operation is done for?Neglected Club footMuscle paralysisValgus deformityHip replacement  <response>: Prosthesis of of the hip are used for the replacement of head of femur following non union and AVN. Hip can be approached either by anterior WATSON JONES , Lateral Gibson;s or posterior Moore;s or Southern;s approaches. REF:TB of ohopaedics - Ebnezar - 3rd edn - pg no 623. 