Examination Chapter. Interpretation. A positive test is indicated by an exacerbation of the patient's symptoms. Aka: Patella Grind Test, Patella Femoral Grinding Test, Patella Inhibition Test. Sensitiser. Orthopedics. The best way to do is to repeat the procedure several times, increasing the pressure each time and comparing the results with those of the unaffected side. To test different parts of the patella , the knee should be tested in 30 0 , 60 0, 90 0 and in full extension. These images are a random sampling from a Bing search on the term "Patella Grind Test." Patellar Grind (Osmond-Clarke) Test The patellofemoral grind test is used to determine patellofemoral syndrome. Compression of the patella on the femur may cause pain due to aggravation of inflamed or damaged tissues. Patellofemoral Grind Test Procedure. Clarkes “patellar grind” test has been described as a confirmatory test for patellar chondromalacia.
In this test the patella is compressed against the trochlea manually while the clinician asks the patient to contract their quadriceps. To perform this test, have the patient lie supine with the knee extended. Clinical Notes. Patella Grind Test. Compression of patella against the femur by ‘cupping’ the knee.