0:00:00.000,0:00:02.000 (English captions by Andrea Matsumoto from the University of Michigan) 0:00:02.460,0:00:05.480 Thomas' Test assesses for hip flexure contracture. 0:00:05.480,0:00:09.920 One hip is maximally flexed to the patient's[br]chest, flattening the lumbar spine. 0:00:09.920,0:00:14.700 If the contralateral leg flexes at the knee[br]and rises off the table, the test is positive.