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
Muscle, which is anatomically a back muscle, but functionally related to thorax is: 
Select and explain. 
A. Rhomboid, B. Latisimus dorsi, C. Trapezius, D. Levator costae
B: Latisimus dorsi
Answer: B: Latisimus dorsi 
Explanation: Ans. b. Lattisimus dorsi Muscle, which is anatomically a back muscle, but functionally related to thorax is Latisimus dorsi. The latissimus dorsi muscle is the widest muscle on the back though it mostly acts as a shoulder muscle.