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
Muscle attached to medial border of scapula is- 
Select and explain. 
A. Rhomboidus Major, B. Teres Major, C. Deltoid, D. Infraspinatus
A: Rhomboidus Major
Answer: A: Rhomboidus Major 
Explanation: Ans. is 'a' i.e., Rhomboidus Major * Lateral border of scapula (posteriorly) : Origins of teres minor and teres major.* Medial border of scapula : (i) Anteriorly : Insertion of serratus anterior; (ii) Posteriorly : Insertions of levator scapulae, rhomboideus major and minor.