MILL'S TEST FOR TENNIS ELBOW / LATERAL EPICONDYLALGIA The Mill's test is a second provocative test to stress the mechano-sensitive tendons of the extensor carpi radialis longus brevis by stretch. Like the Cozen's test, the Mill's test has not been validated by diagnostic studies, which renders its clinical value questionable. In practice, we see that the Cozen's test is usually more provokative, while the Mill's test is rather only positive in more severe cases. So based on our own opinion, one