This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which of the following conditions is diagnosed using Cozen's test? 
Select and explain. 
A. Little leaguer's elbow, B. Tennis elbow, C. Golfer's elbow, D. Frozen shoulder
B: Tennis elbow
Answer: B: Tennis elbow 
Explanation: Cozen's test - In this test active extension of wrist against resistance produces pain at the point of common extensor origin. It is considered a positive finding for lateral epicondylitis or Tennis elbow.