0:00:00.000,0:00:02.000 (English captions by Andrea Matsumoto from the University of Michigan) 0:00:02.540,0:00:05.850 Ely's Test assesses rectus femoris spasticity. 0:00:05.850,0:00:09.430 With the patient prone, the examiner resists[br]knee flexion. 0:00:09.430,0:00:13.110 If the buttocks raise or a pelvic tilt appears,[br]it is a positive test.