1 00:00:00,000 --> 00:00:02,590 (English captions by Jade Cheng from the University of Michigan) 2 00:00:02,590 --> 00:00:06,420 Patients with compromise of the ulnar nerve will not be able to cross the second and third 3 00:00:06,420 --> 00:00:11,860 fingers, or hold a piece of paper between their first and second fingers against resistance, 4 00:00:11,860 --> 00:00:13,110 known as Frommet's sign.