0:00:00.000,0:00:01.859 (English captions by Andrea Matsumoto from the University of Michigan) 0:00:02.690,0:00:07.860 To perform the Roos' Test abduct the shoulders[br]to 90 degrees, flex the elbows to 90 degrees, and 0:00:07.860,0:00:10.940 rapidly open and close hands for up to 3 minutes. 0:00:10.940,0:00:14.970 If the patient has reproduction of pain or[br]numbness, consider thoracic outlet syndrome.