This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Orthopaedics
Infection of ulnar bursa is diagnosed by - 
Select and explain. 
A. Kanavel's sign, B. Chowstek's sign, C. Gower's sign, D. Ludloff's sign
A: Kanavel's sign
Answer: A: Kanavel's sign 
Explanation: The area of maximum tenderness in an ulnar bursa infection can be elicited over that pa of the bursa lying between the transverse palmar creases. This is KANAVEL&; s sign. REF:Essential ohopaedics- Maheshwari- 9th edn - pg no 209.