WEBVTT 00:00:00.000 --> 00:00:02.000 (English captions by Andrea Matsumoto from the University of Michigan) 00:00:02.500 --> 00:00:07.350 To perform Yergason's test flex elbow to 90 degrees, shake hands with patient and provide 00:00:07.350 --> 00:00:09.660 resistance against supination. 00:00:09.660 --> 00:00:13.410 Pain indicates a possible bicepital tendon or associated labral tear.