This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infective Arthritis, Subject name: Orthopaedics
What is the position of leg in tubercular arthritis in synovitis stage: 
Select and explain. 
A. Flexion, adduction, Internal rotation, B. Flexion, abduction, Internal rotation, C. Flexion, abduction, External rotation, D. Extension, abduction internal rotation
C: Flexion, abduction, External rotation
Answer: C: Flexion, abduction, External rotation 
Explanation: 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.