Surgery Excision of head of radius in a child should not be done because A It produces instability of elbow joint B It leads to secondary Osteo ahritis of elbow C It causes subluxation of inferior radio-ulnar joint D It causes myositis ossificans. 💡 Explanation Excision of head of radius in a child should not be done because ✓ Correct Answer: C. It causes subluxation of inferior radio-ulnar joint