1 00:00:00,000 --> 00:00:03,149 (English captions by Trisha Paul from the University of Michigan) 2 00:00:03,149 --> 00:00:06,529 The Patellar Grind Test assesses for patella femoral syndrome. 3 00:00:06,529 --> 00:00:11,389 With the knee extended, push the patella into the trochlear groove of the femur. 4 00:00:11,389 --> 00:00:12,790 Pain is a positive test.