This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Test used for prolapsed lumbar interveebral disc is - 
Select and explain. 
A. Active straight leg raising test, B. Lasegue test, C. Thomas test, D. Apley's grinding test
B: Lasegue test
Answer: B: Lasegue test 
Explanation: Ans. is 'b' i.e., Lasegue test Clinical examination in PID Forward stooping (bending), twisting or coughing aggravate the pain. The trunk is tilted to one side (sciatic scoliosis or sciatic tilt). Movements of lumbar spine are restricted especially flexion. Straight leg raising (SLR) test is positive, i.e. straight leg raising is possible 40deg or less (AIIMSO4). Lasegue test (a modification of SLR test) is positive.