<prompt> Which of the following is a feature of triple deformity of the knee joint?Posterior subluxation of tibiainternal rotation of tibiaMedial angulation of tibiaRecurvatum  <response>: Triple deformity of knee refers to:-Flexion of kneeExternal rotation of the tibiaPosterior subluxation of the tibiaThe triple deformity is seen in RA, TB of knee and PolioRefer: Mohindras Fundamentals of Ohopedics, 2nd edition, pg no. 528 