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: Anatomy
Abduction of Hand is caused by ? 
Select and explain. 
A. FCR, B. FCU, C. FDP, D. FDS
A: FCR
Answer: A: FCR 
Explanation: Ans. is 'a' i.e., FCR