Orthopaedics A boy fell down from a tree and has fracture of neck of humerus. He cannot raise his arm because of the involvement of- A Axillary nerve B Supraspinatus nerve C Musculocutaneous nerve D Radial nerve 💡 Explanation A boy fell down from a tree and has fracture of neck of humerus. He cannot raise his arm because of the involvement of- ✓ Correct Answer: A. Axillary nerve