1 00:00:00,000 --> 00:00:02,360 (English captions by Jade Cheng from the University of Michigan) 2 00:00:02,360 --> 00:00:06,319 Elson's test evaluates for partial or complete tear of the extensor digitorum. 3 00:00:06,319 --> 00:00:11,009 Isolate the proximal interphalangeal joint over the edge of the table and provide resistance 4 00:00:11,009 --> 00:00:12,490 against extension. 5 00:00:12,490 --> 00:00:15,710 Inability to extend at the PIP is a positive test.