0:00:00.000,0:00:02.080 (English captions by Jade Cheng from the University of Michigan) 0:00:02.080,0:00:06.140 Watson's test assesses for scapholunate[br]instability. 0:00:06.140,0:00:11.849 The examiner places a thumb over the patient�s[br]scaphoid tubercle, applying dorsal pressure. 0:00:11.849,0:00:15.990 The wrist is then moved from ulnar to radial[br]deviation. 0:00:15.990,0:00:18.850 A painful clunk is considered a positive test.