<prompt> What is the position of leg in tubercular arthritis in synovitis stage:Flexion, adduction, Internal rotationFlexion, abduction, Internal rotationFlexion, abduction, External rotationExtension, abduction internal rotation  <response>: Ans. c Flexion abduction External rotationRef: Maheshwari 5th ed. 196 The tuberculosis of hip mainly progresses through three stages. Stage of Synovitis FABER - AL Stage of Arthritis FADIR - AS Stage of Erosion FADIR - TS The mnemonics indicate the orientation and appearance of the lower limb during those stages of TB FABER - AL: stands for Flexion, ABduction, External Rotation and Apparent Lengthening. FADIR - AS: stands for flexion, adduction, internal rotation and apparent shortening. FADIR - TS: stands for flexion, adduction, internal .rotation and true shortening. 