This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve Injuries, Subject name: Orthopaedics
Nerve affected in trendenlenberg test is - 
Select and explain. 
A. Superior gluteal nerve, B. Inferior gluteal nerve, C. Obturator nerve, D. Pudendal nerve
A: Superior gluteal nerve
Answer: A: Superior gluteal nerve 
Explanation: Ans. is 'a' i.e., Superior gluteal nerve