This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Anatomy
Trendelburg test would be positive in the following conditions- 
Select and explain. 
A. L4-L5 PID, B. L5-S1 PID, C. Synovitis of the Hip, D. Femoroacetabular Impingement Syndrome
A: L4-L5 PID
Answer: A: L4-L5 PID 
Explanation: *L4 L5 PID would compromise the L5 nerve root. The myotome supplying the abductors of the hip is L5 *Gluteus medius and gluteus minimus is supplied by superior gluteal nerve (L4 L5 S1) *Thus due to weakness of abductor mechanism The trendelenburg test would be positive. REF:Ref: Maheshwari 9th/e p.340