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
Trendelenberg test is positive due to injury to: 
Select and explain. 
A. Sup gluteal nerve, B. Inf gluteal nerve, C. Obturator nerve, D. Tibial nerve
A: Sup gluteal nerve
Answer: A: Sup gluteal nerve 
Explanation: A.i.e. Superior gluteal nerve