This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Extremity, Subject name: Anatomy
Which of the following two muscles act together for climbing on a tree - 
Select and explain. 
A. Latissimus dorsi & Serratus anterior, B. Serratus anterior & Teres major, C. Latissimus dorsi & Pectoralis major, D. Serratus anterior & Pectoralis major
C: Latissimus dorsi & Pectoralis major
Answer: C: Latissimus dorsi & Pectoralis major 
Explanation: Ans. is 'c' i.e., Latissimus dorsi & Pectoralis major * Climbing of tree is helped by:i) Latissimus Dorsiii) Pectoralis major* Latissimus Dorsi is also known as "climber's muscle" or "Tree climbing muscle".