This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Arthritis, Subject name: Orthopaedics
Test for fixed flexion deformity of the Hip? 
Select and explain. 
A. Thomas test, B. Trendelenburgs test, C. Nelatons test, D. Telescoping test
A: Thomas test
Answer: A: Thomas test 
Explanation: Ans. is 'a' i.e., Thomas test Tests for Hip JointTESTINDICATIONTHOMASFixed flexion DeformityTrendelenburg TestFailure of the Abductor MechanismBryants TriangleSupratrochanteric ShorteningSquaring of pelvisAdduction/Abduction DeformityTelescoping TestPositive in DDH, transcervical neck femur fractureNelatons LineSupratrochanteric ShorteningChienes testSupratrochanteric ShorteningShoemakers LineSupratrochanteric Shortening