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: Orthopaedics
Every 3 degree abduction of arm at shoulder region, the scapular rotation accounts to 
Select and explain. 
A. 1 degree, B. 2 degrees, C. 3 degrees, D. 0.5 degrees
A: 1 degree
Answer: A: 1 degree 
Explanation: None