Orthopaedics Ohopaedics Q Bank 971d274c Triple deformity of knee is classically seen in: A Fracture patella B Tuberculosis C Rheumatic ahritis D Ankylosing spondylitis High-Yield Explanation Triple deformity is seen in tuberculosis of knee consists of ( Mnemonic PErF ):- P- Posterior subluxation of tibia Er- External rotation of leg F- Flexion at knee