This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb bones and muscles (proximal region) & Scapular movements, Subject name: Anatomy
Surgical neck fracture leads to all EXCEPT 
Select and explain. 
A. Weakness of abduction, B. Deltoid muscle palsy, C. Teres major palsy, D. Teres minor palsy
C: Teres major palsy
Answer: C: Teres major palsy 
Explanation: Axillary nerve supplies: Deltoid (abductor of arm) and Teres Minor(lateral rotation) muscles. It winds up through surgical neck of humerus. So fracture of surgical neck damages axillary nerve causes: Teres minor palsy Deltoid palsy Abduction Of shoulder joint is damaged. Teres major is supplied by Lower subscapular nerve